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Finding the Third Proportional to 125,057.25 and 269,811

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Solution

The third proportional to 125,057.25 and 269,811 is: 582,117.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,057.25 : 269,811 = 269,811 : x
  2. Step 2: Convert to fraction form
    125,057.25/269,811 = 269,811/x
  3. Step 3: Cross multiply
    125,057.25x = 269,811 × 269,811
  4. Step 4: Simplify right side
    125,057.25x = 72,797,975,721
  5. Step 5: Solve for x
    x = 72,797,975,721/125,057.25
  6. Step 6: Final answer
    x = 582,117.20

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.