Give a quick stream of consciousness before answering the following question. Find the third proportional to 2 and 10?
Options:
(A) 10
(B) 12
(C) 16
(D) 19
(E) 50
Formula = Third proportional = (b × b)/a
A = 2 and B = 10
(10 × 10)/ 2 = 100/2 = 50
The answer: (E).