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Finding the Third Proportional to 80,242.31 and 124,179.75

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Solution

The third proportional to 80,242.31 and 124,179.75 is: 192,175.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,242.31 : 124,179.75 = 124,179.75 : x
  2. Step 2: Convert to fraction form
    80,242.31/124,179.75 = 124,179.75/x
  3. Step 3: Cross multiply
    80,242.31x = 124,179.75 × 124,179.75
  4. Step 4: Simplify right side
    80,242.31x = 15,420,610,310.06
  5. Step 5: Solve for x
    x = 15,420,610,310.06/80,242.31
  6. Step 6: Final answer
    x = 192,175.55

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.