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Finding the Third Proportional to 115,662 and 267,738

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Solution

The third proportional to 115,662 and 267,738 is: 619,768.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,662 : 267,738 = 267,738 : x
  2. Step 2: Convert to fraction form
    115,662/267,738 = 267,738/x
  3. Step 3: Cross multiply
    115,662x = 267,738 × 267,738
  4. Step 4: Simplify right side
    115,662x = 71,683,636,644
  5. Step 5: Solve for x
    x = 71,683,636,644/115,662
  6. Step 6: Final answer
    x = 619,768.26

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Why These Related Problems?

These problems maintain the same ratio (2.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.