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Finding the Third Proportional to 80,261 and 107,377

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Solution

The third proportional to 80,261 and 107,377 is: 143,654.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,261 : 107,377 = 107,377 : x
  2. Step 2: Convert to fraction form
    80,261/107,377 = 107,377/x
  3. Step 3: Cross multiply
    80,261x = 107,377 × 107,377
  4. Step 4: Simplify right side
    80,261x = 11,529,820,129
  5. Step 5: Solve for x
    x = 11,529,820,129/80,261
  6. Step 6: Final answer
    x = 143,654.08

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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.