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Finding the Third Proportional to 60,220.13 and 129,755.25

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Solution

The third proportional to 60,220.13 and 129,755.25 is: 279,581.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,220.13 : 129,755.25 = 129,755.25 : x
  2. Step 2: Convert to fraction form
    60,220.13/129,755.25 = 129,755.25/x
  3. Step 3: Cross multiply
    60,220.13x = 129,755.25 × 129,755.25
  4. Step 4: Simplify right side
    60,220.13x = 16,836,424,902.56
  5. Step 5: Solve for x
    x = 16,836,424,902.56/60,220.13
  6. Step 6: Final answer
    x = 279,581.37

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.