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Finding the Third Proportional to 80,259 and 107,374

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Solution

The third proportional to 80,259 and 107,374 is: 143,649.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,259 : 107,374 = 107,374 : x
  2. Step 2: Convert to fraction form
    80,259/107,374 = 107,374/x
  3. Step 3: Cross multiply
    80,259x = 107,374 × 107,374
  4. Step 4: Simplify right side
    80,259x = 11,529,175,876
  5. Step 5: Solve for x
    x = 11,529,175,876/80,259
  6. Step 6: Final answer
    x = 143,649.63

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Why These Related Problems?

These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.