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Finding the Third Proportional to 80,242.31 and 124,180.88

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Solution

The third proportional to 80,242.31 and 124,180.88 is: 192,179.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,242.31 : 124,180.88 = 124,180.88 : x
  2. Step 2: Convert to fraction form
    80,242.31/124,180.88 = 124,180.88/x
  3. Step 3: Cross multiply
    80,242.31x = 124,180.88 × 124,180.88
  4. Step 4: Simplify right side
    80,242.31x = 15,420,889,715.77
  5. Step 5: Solve for x
    x = 15,420,889,715.77/80,242.31
  6. Step 6: Final answer
    x = 192,179.03

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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.