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Finding the Third Proportional to 267,724 and 557,644

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Solution

The third proportional to 267,724 and 557,644 is: 1,161,520.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,724 : 557,644 = 557,644 : x
  2. Step 2: Convert to fraction form
    267,724/557,644 = 557,644/x
  3. Step 3: Cross multiply
    267,724x = 557,644 × 557,644
  4. Step 4: Simplify right side
    267,724x = 310,966,830,736
  5. Step 5: Solve for x
    x = 310,966,830,736/267,724
  6. Step 6: Final answer
    x = 1,161,520.19

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.