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Finding the Third Proportional to 267,864 and 415,026

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Solution

The third proportional to 267,864 and 415,026 is: 643,037.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,864 : 415,026 = 415,026 : x
  2. Step 2: Convert to fraction form
    267,864/415,026 = 415,026/x
  3. Step 3: Cross multiply
    267,864x = 415,026 × 415,026
  4. Step 4: Simplify right side
    267,864x = 172,246,580,676
  5. Step 5: Solve for x
    x = 172,246,580,676/267,864
  6. Step 6: Final answer
    x = 643,037.44

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.