Question

if 9, x, x49 are in proportion find the value of x? ​

Answer 1

Answer:

21

Step-by-step explanation:

9: x :: x : 49

Going by Product of Means = Product of extremes.

x * x = 9 * 49

=> x² = 441

=> x = √441 = 21.

Answer 2

Answer:

If 9,x,x49 are in proportion then

x/9 should be equal to x49/x.

2.So let's solve it 49x/x equals to 49.

3.So x/9 should also equal to 49 then x equals 9*49=441