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Finding the Third Proportional to 125,679 and 269,349

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Solution

The third proportional to 125,679 and 269,349 is: 577,255.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,679 : 269,349 = 269,349 : x
  2. Step 2: Convert to fraction form
    125,679/269,349 = 269,349/x
  3. Step 3: Cross multiply
    125,679x = 269,349 × 269,349
  4. Step 4: Simplify right side
    125,679x = 72,548,883,801
  5. Step 5: Solve for x
    x = 72,548,883,801/125,679
  6. Step 6: Final answer
    x = 577,255.42

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.