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Finding the Third Proportional to 79,572.75 and 108,132.75

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Solution

The third proportional to 79,572.75 and 108,132.75 is: 146,943.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,572.75 : 108,132.75 = 108,132.75 : x
  2. Step 2: Convert to fraction form
    79,572.75/108,132.75 = 108,132.75/x
  3. Step 3: Cross multiply
    79,572.75x = 108,132.75 × 108,132.75
  4. Step 4: Simplify right side
    79,572.75x = 11,692,691,622.56
  5. Step 5: Solve for x
    x = 11,692,691,622.56/79,572.75
  6. Step 6: Final answer
    x = 146,943.41

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.