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Finding the Third Proportional to 172,395 and 267,614

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Solution

The third proportional to 172,395 and 267,614 is: 415,425.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,395 : 267,614 = 267,614 : x
  2. Step 2: Convert to fraction form
    172,395/267,614 = 267,614/x
  3. Step 3: Cross multiply
    172,395x = 267,614 × 267,614
  4. Step 4: Simplify right side
    172,395x = 71,617,252,996
  5. Step 5: Solve for x
    x = 71,617,252,996/172,395
  6. Step 6: Final answer
    x = 415,425.35

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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.