Question

The sum of the cubes of three number
is 584 and the ratio of the first to
second as also a second to the third
is 1:2. What is the third Number?​

Answer 1

Answer:

2

Step-by-step explanation:

let third no is X

x^3+(2x)^3+(4x)^3= 73x^3=584

Answer 2

Answer:

let the first no. be x

ratio of first no. to the second no. is 1:2

therefore second no = 2x

ratio of second no. to the third no is 1:2

therefore third no. = 4x

as per the given condition

x^3 + 2x^3 + 4x^3 = 584

x^3 + 8x^3 + 64x^3 = 584

73x^3 = 584

x^3 = 8

x = 2

third no. = 4x = 8

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