Question

The first , second and fourth terms of a proportion are 9,21 and 77. Find the third term?

PLEASE TELL ME FAST
EXPLAIN BY STEP BY STEP EXPLANATION ​

PLEASE EXPLIN IT STEP BY STEP​

Answer 1

Step-by-step explanation:

let third term be x

9,21,x and 77

9/21=x/77

21x=693

x=693/21

x=33

hence the third term be 33

Hope it helpful to u

Answer 2

Answer:

We know that,

four numbers are said to be in proportion if the product of means = product of extremes.

Let the third proportion be x.

=> 32:112::x:217

=> 32×217=112×x

=> x=62