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Finding the Third Proportional to 55,182 and 84,552

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Solution

The third proportional to 55,182 and 84,552 is: 129,553.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,182 : 84,552 = 84,552 : x
  2. Step 2: Convert to fraction form
    55,182/84,552 = 84,552/x
  3. Step 3: Cross multiply
    55,182x = 84,552 × 84,552
  4. Step 4: Simplify right side
    55,182x = 7,149,040,704
  5. Step 5: Solve for x
    x = 7,149,040,704/55,182
  6. Step 6: Final answer
    x = 129,553.85

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.