Question

729and 784 mean proportion​

Answer 1

Answer:

756

Step-by-step explanation:

let the mean proportional = x

therefore equation = 729 : x :: x : 784

we know that the product of means = product of extremes

∴ 729*784 = x²

∴ x²=571536

=     x = √571536

∴ x = 756

thus the mean proportional = 756