Question

Three numbers are in the ratio 3:4:5.The sum of their cubes is 27000 find the numbers.

Answer 1

Answer:

Three numbers are in the ratio 3:4:5

sum of the ratio =12

first number=3/12×27000

=6750

second number=4/12×27000

=9000

third number=5/12×27000

=11250

it u add these three numbers u will get 27000

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Answer 2

Answer:

15 , 20 , 25

Step-by-step explanation:

Let the number be 3x , 4x and 5x. Then,,

(3x)³ + (4x)³ + (5x)³ = 27000

27x³ + 64x³ + 125x³ = 27000

216x³ = 27000

x³ = 125

x = ∛125

x = 5

Hence, the numbers are:-

 3x = 3*5 = 15

 4x = 4*5 = 20

 5x = 5*5 = 25

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