Question

find x,if 9,x,x,49in proporation​

Answer 1

Answer:

your answer is here...

Step-by-step explanation:

9/X=X/49

x^2=441

X=21

Answer 2

Answer:

x = 21

Step-by-step explanation:

9 : x :: x : 49

product of means = product of extremes

x × x = 9 × 49

x^2 = 441

x = √441

x = 21