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Finding the Third Proportional to 288,776,885 and 630,471,531.25

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Solution

The third proportional to 288,776,885 and 630,471,531.25 is: 1,376,475,654.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,776,885 : 630,471,531.25 = 630,471,531.25 : x
  2. Step 2: Convert to fraction form
    288,776,885/630,471,531.25 = 630,471,531.25/x
  3. Step 3: Cross multiply
    288,776,885x = 630,471,531.25 × 630,471,531.25
  4. Step 4: Simplify right side
    288,776,885x = 397,494,351,716,719,744
  5. Step 5: Solve for x
    x = 397,494,351,716,719,744/288,776,885
  6. Step 6: Final answer
    x = 1,376,475,654.26

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.