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Finding the Third Proportional to 269,280 and 567,720

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Solution

The third proportional to 269,280 and 567,720 is: 1,196,917.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,280 : 567,720 = 567,720 : x
  2. Step 2: Convert to fraction form
    269,280/567,720 = 567,720/x
  3. Step 3: Cross multiply
    269,280x = 567,720 × 567,720
  4. Step 4: Simplify right side
    269,280x = 322,305,998,400
  5. Step 5: Solve for x
    x = 322,305,998,400/269,280
  6. Step 6: Final answer
    x = 1,196,917.70

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.