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Finding the Third Proportional to 57,396,008 and 87,156,911

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Solution

The third proportional to 57,396,008 and 87,156,911 is: 132,349,398.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,396,008 : 87,156,911 = 87,156,911 : x
  2. Step 2: Convert to fraction form
    57,396,008/87,156,911 = 87,156,911/x
  3. Step 3: Cross multiply
    57,396,008x = 87,156,911 × 87,156,911
  4. Step 4: Simplify right side
    57,396,008x = 7,596,327,135,061,921
  5. Step 5: Solve for x
    x = 7,596,327,135,061,921/57,396,008
  6. Step 6: Final answer
    x = 132,349,398.50

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.