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Finding the Third Proportional to 127,368 and 267,129

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Solution

The third proportional to 127,368 and 267,129 is: 560,249.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,368 : 267,129 = 267,129 : x
  2. Step 2: Convert to fraction form
    127,368/267,129 = 267,129/x
  3. Step 3: Cross multiply
    127,368x = 267,129 × 267,129
  4. Step 4: Simplify right side
    127,368x = 71,357,902,641
  5. Step 5: Solve for x
    x = 71,357,902,641/127,368
  6. Step 6: Final answer
    x = 560,249.85

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.