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Finding the Third Proportional to 126,390.38 and 275,103

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Solution

The third proportional to 126,390.38 and 275,103 is: 598,792.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,390.38 : 275,103 = 275,103 : x
  2. Step 2: Convert to fraction form
    126,390.38/275,103 = 275,103/x
  3. Step 3: Cross multiply
    126,390.38x = 275,103 × 275,103
  4. Step 4: Simplify right side
    126,390.38x = 75,681,660,609
  5. Step 5: Solve for x
    x = 75,681,660,609/126,390.38
  6. Step 6: Final answer
    x = 598,792.91

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.