Question

The mean proportional of the term18 and72 is

Answer 1

Answer:

Step-by-step explanation:

Mean proportion of 8 and 72;

Let a=8 and b=72

Firstly,

Find the product of the 2 numbers;

8*72=576

Find the square root of the product,

Square root of 576 =24

Let the mean square root 24=x

Mean proportion is;

a/x=x/24

8/24=24/72

1/3=1/3

Therefore, 1/3

Answer 2

Let x be the mean proportion

18/x=x/72

X^2 =18*72

X=square root of (18*72)=36