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Finding the Third Proportional to 267,862 and 405,249

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Solution

The third proportional to 267,862 and 405,249 is: 613,102.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,862 : 405,249 = 405,249 : x
  2. Step 2: Convert to fraction form
    267,862/405,249 = 405,249/x
  3. Step 3: Cross multiply
    267,862x = 405,249 × 405,249
  4. Step 4: Simplify right side
    267,862x = 164,226,752,001
  5. Step 5: Solve for x
    x = 164,226,752,001/267,862
  6. Step 6: Final answer
    x = 613,102.09

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.