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Subjects>Math>Math & Arithmetic

What is the geometric mean of 3 and 21?

Anonymous

∙ 13y ago

Updated: 10/17/2022

Geometric Mean of two values is the square root of their product, in this case sqrt(3 x 21) ie sqrt 63, which is a whisker under 8, actually 7.94 to nearest hundredth, giving a common ratio of 2.646.

3 x 2.646 = 7.938, 7.938 x 2.646 = 21.004

Wiki User

∙ 13y ago

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Continue Learning about Math & Arithmetic

What is the geometric mean of 1 and 9?

√9x1=3

Geometric mean of 3 and 6?

square root of 18

What is the geometric mean of 3 and 300?

√3 x √300 = 1.73205080756888 x 17.3205080756888 = 30

What is the geometric mean for 3 and 15?

√3 x √15 = 1.73205080756888 x 3.87298334620742 = 6.70820393249937

Is the geometric mean the same as the mean of two numbers?

No, the geometric mean is not the same as the mean of two numbers.

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