 
<translate> Ajụjụ ahụ bụ: Ihe gbara ya gburugburu: Afọ ole mmadụ na-adị tupu ọ ghọọ onye isi ala bụ afọ iri ise na ise na ọnwa atọ. Nke a bụ afọ ole Lyndon B. Johnson dị mgbe e chiri ya eze. Onye kacha nta n'ime ndị niile nọ n'ọkwa ahụ bụ Theodore Roosevelt, onye ghọrọ onye isi ala mgbe ọ dị afọ iri anọ na abụọ, ụbọchị iri atọ na abụọ, mgbe e gbusịrị William McKinley; onye kacha okenye bụ Donald Trump, onye dị afọ iri asaa, ụbọchị iri abụọ na abụọ mgbe ọ malitere ọchịchị. Onye kacha nta a họpụtara dịka onyeisiala bụ John F. Kennedy, dị afọ iri anọ na atọ na ụbọchị iri isii na atọ n'ụbọchị ntuliaka; onye kacha okenye bụ Ronald Reagan, onye dị afọ iri asaa na atọ na ụbọchị iri abụọ na anọ n'oge a họpụtara ya ka ọ bụrụ onyeisiala nke abụọ.  Ajụjụ: Ònye bụ onyeisiala kacha nta a họpụtara? Nzọụkwụ site na Nzọụkwụ: Ihe ọmụma dị mkpa iji zaa ajụjụ a dị n'elu bụ: Onye ntorobịa a họpụtara ịbụ onyeisi ala bụ John F. Kennedy, dị afọ 43, ụbọchị 163 n'ụbọchị ntuli aka; onye kasị mee agadi bụ Ronald Reagan, onye dị afọ 73, ụbọchị 274 n'oge a họpụtara ya maka ọchịchị nke abụọ. <eng> The question is: Context: The median age upon accession to the presidency is 55 years and 3 months. This is how old Lyndon B. Johnson was at the time of his inauguration. The youngest person to assume the office was Theodore Roosevelt, who became president at the age of 42 years, 322 days, following William McKinley's assassination; the oldest was Donald Trump, who was 70 years, 220 days old at his inauguration. The youngest person to be elected president was John F. Kennedy, at 43 years, 163 days of age on election day; the oldest was Ronald Reagan, who was 73 years, 274 days old at the time of his election to a second term.

Question: who was the youngest president to get elected?
Step-by-step reasoning process: The relevant information to answer the above question is: The youngest person to be elected president was John F. Kennedy, at 43 years, 163 days of age on election day; the oldest was Ronald Reagan, who was 73 years, 274 days old at the time of his election to a second term.
 