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Finding the Third Proportional to 62,608.13 and 139,212.38

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Solution

The third proportional to 62,608.13 and 139,212.38 is: 309,545.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,608.13 : 139,212.38 = 139,212.38 : x
  2. Step 2: Convert to fraction form
    62,608.13/139,212.38 = 139,212.38/x
  3. Step 3: Cross multiply
    62,608.13x = 139,212.38 × 139,212.38
  4. Step 4: Simplify right side
    62,608.13x = 19,380,085,353.14
  5. Step 5: Solve for x
    x = 19,380,085,353.14/62,608.13
  6. Step 6: Final answer
    x = 309,545.85

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.