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Finding the Third Proportional to 125,724 and 268,296

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Solution

The third proportional to 125,724 and 268,296 is: 572,545.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,724 : 268,296 = 268,296 : x
  2. Step 2: Convert to fraction form
    125,724/268,296 = 268,296/x
  3. Step 3: Cross multiply
    125,724x = 268,296 × 268,296
  4. Step 4: Simplify right side
    125,724x = 71,982,743,616
  5. Step 5: Solve for x
    x = 71,982,743,616/125,724
  6. Step 6: Final answer
    x = 572,545.76

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.