The Louvre Museum as seen through the Louvre Pyramid glass in Paris, France. Smithsonian Institution, Washington, D.C. The Smithsonian is the worldâs largest research and museum complex, with 19 museums and galleries, the National Zoological Park, and various research stations.
Geometric Mean. The Geometric Mean is a special type of average where we multiply the numbers together and then take a square root (for two numbers), cube root (for three numbers) etc. First we multiply them: 2 Ã 18 = 36. Then (as there are two numbers) take the square root: â36 = 6.
Wiktionary (0.00 / 0 votes) Rate this definition: geometric progression (Noun). A sequence in which each term except the first is obtained from the previous by multiplying it by a constant value, known as the common ratio of the geometric progression.he sum of the terms of a geometric progression, or of an initial segment of a geometric progression, is known as a geometric series. Thus, the general form of a geometric sequence is and that of a geometric series is where r â  0 is the common ratio and a is a scale factor, equal to the sequence's start value.