Question

Are the following numbers in proportion

a- 3 ,9,9 and 27

Answer 1

Step-by-step explanation:

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Are the following numbers in proportion

a- 3 ,9,9 and 27

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yes,because

mean*Mean=extreme*Extreme

9*9=27*3=81=81

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Answer 2

Answer:

3:9

= 1:3 let equation (1)

and 9:27

= 1:3 let equation (2)

from(1) & (2)

3 ,9,9 27 are in proportion