Question

if 9‚x,x,49 are in proportion,find the value of x​

Answer 1

Answer:

Step-by-step explanation:

9:x::x:49

or,9/x=x/49

or,x^=49*9

or,x^=441

or,x= √441=21

so x is 21

Answer 2

Step-by-step explanation:

product of number outside=product of number inside

9×49=x×x

441=x^2

x=under root 441

x = 21