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Finding the Third Proportional to 62,615.25 and 138,737.25

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Solution

The third proportional to 62,615.25 and 138,737.25 is: 307,401.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,615.25 : 138,737.25 = 138,737.25 : x
  2. Step 2: Convert to fraction form
    62,615.25/138,737.25 = 138,737.25/x
  3. Step 3: Cross multiply
    62,615.25x = 138,737.25 × 138,737.25
  4. Step 4: Simplify right side
    62,615.25x = 19,248,024,537.56
  5. Step 5: Solve for x
    x = 19,248,024,537.56/62,615.25
  6. Step 6: Final answer
    x = 307,401.54

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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.