Question

Find the mean proportion to : 28 and 63

Answer 1

42 is the correct answer

Answer 2

Given = x : 28 : : 63 : x

= > (x/28) = (63/x)

= > x^2 = 28 * 63

= > x^2 = 1764

= > x^2 = 42 * 42

= > x = 42.

Therefore, the mean proportion is 42.

Hope this helps!