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Finding the Third Proportional to 57,396,007 and 87,156,909

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Solution

The third proportional to 57,396,007 and 87,156,909 is: 132,349,394.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,396,007 : 87,156,909 = 87,156,909 : x
  2. Step 2: Convert to fraction form
    57,396,007/87,156,909 = 87,156,909/x
  3. Step 3: Cross multiply
    57,396,007x = 87,156,909 × 87,156,909
  4. Step 4: Simplify right side
    57,396,007x = 7,596,326,786,434,281
  5. Step 5: Solve for x
    x = 7,596,326,786,434,281/57,396,007
  6. Step 6: Final answer
    x = 132,349,394.73

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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.