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Finding the Third Proportional to 324,241 and 517,982

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Solution

The third proportional to 324,241 and 517,982 is: 827,487.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,241 : 517,982 = 517,982 : x
  2. Step 2: Convert to fraction form
    324,241/517,982 = 517,982/x
  3. Step 3: Cross multiply
    324,241x = 517,982 × 517,982
  4. Step 4: Simplify right side
    324,241x = 268,305,352,324
  5. Step 5: Solve for x
    x = 268,305,352,324/324,241
  6. Step 6: Final answer
    x = 827,487.43

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Why These Related Problems?

These problems maintain the same ratio (1.60) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.