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Finding the Third Proportional to 242,081 and 517,107

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Solution

The third proportional to 242,081 and 517,107 is: 1,104,587.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,081 : 517,107 = 517,107 : x
  2. Step 2: Convert to fraction form
    242,081/517,107 = 517,107/x
  3. Step 3: Cross multiply
    242,081x = 517,107 × 517,107
  4. Step 4: Simplify right side
    242,081x = 267,399,649,449
  5. Step 5: Solve for x
    x = 267,399,649,449/242,081
  6. Step 6: Final answer
    x = 1,104,587.51

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.