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Finding the Third Proportional to 80,381.25 and 118,248.75

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Solution

The third proportional to 80,381.25 and 118,248.75 is: 173,955.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,381.25 : 118,248.75 = 118,248.75 : x
  2. Step 2: Convert to fraction form
    80,381.25/118,248.75 = 118,248.75/x
  3. Step 3: Cross multiply
    80,381.25x = 118,248.75 × 118,248.75
  4. Step 4: Simplify right side
    80,381.25x = 13,982,766,876.56
  5. Step 5: Solve for x
    x = 13,982,766,876.56/80,381.25
  6. Step 6: Final answer
    x = 173,955.58

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.