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Finding the Third Proportional to 56,691,648 and 87,950,691

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Solution

The third proportional to 56,691,648 and 87,950,691 is: 136,445,566.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,691,648 : 87,950,691 = 87,950,691 : x
  2. Step 2: Convert to fraction form
    56,691,648/87,950,691 = 87,950,691/x
  3. Step 3: Cross multiply
    56,691,648x = 87,950,691 × 87,950,691
  4. Step 4: Simplify right side
    56,691,648x = 7,735,324,047,377,481
  5. Step 5: Solve for x
    x = 7,735,324,047,377,481/56,691,648
  6. Step 6: Final answer
    x = 136,445,566.86

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.