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Finding the Third Proportional to 57,396,011 and 87,156,915

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Solution

The third proportional to 57,396,011 and 87,156,915 is: 132,349,403.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,396,011 : 87,156,915 = 87,156,915 : x
  2. Step 2: Convert to fraction form
    57,396,011/87,156,915 = 87,156,915/x
  3. Step 3: Cross multiply
    57,396,011x = 87,156,915 × 87,156,915
  4. Step 4: Simplify right side
    57,396,011x = 7,596,327,832,317,225
  5. Step 5: Solve for x
    x = 7,596,327,832,317,225/57,396,011
  6. Step 6: Final answer
    x = 132,349,403.73

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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.