Question

Find the geometric mean of 3 and 75

Answer 1

3/x = x/75
Cross multiply
225 = x^2
Square root
x=15

Answer 2

The geometric mean of 3 and 75 is; 15

Geometric mean;

The geometric mean of 2 numbers is given as the square root of their product.

In essence, the geometric mean of 3 and 75 is given as follows;

• G.M = √3 × 75

• G.M = √225

• G.M = 15

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