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Finding the Third Proportional to 57,396,012 and 87,156,917

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Solution

The third proportional to 57,396,012 and 87,156,917 is: 132,349,407.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,396,012 : 87,156,917 = 87,156,917 : x
  2. Step 2: Convert to fraction form
    57,396,012/87,156,917 = 87,156,917/x
  3. Step 3: Cross multiply
    57,396,012x = 87,156,917 × 87,156,917
  4. Step 4: Simplify right side
    57,396,012x = 7,596,328,180,944,889
  5. Step 5: Solve for x
    x = 7,596,328,180,944,889/57,396,012
  6. Step 6: Final answer
    x = 132,349,407.50

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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.