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Finding the Third Proportional to 324,272 and 518,027

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Solution

The third proportional to 324,272 and 518,027 is: 827,552.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,272 : 518,027 = 518,027 : x
  2. Step 2: Convert to fraction form
    324,272/518,027 = 518,027/x
  3. Step 3: Cross multiply
    324,272x = 518,027 × 518,027
  4. Step 4: Simplify right side
    324,272x = 268,351,972,729
  5. Step 5: Solve for x
    x = 268,351,972,729/324,272
  6. Step 6: Final answer
    x = 827,552.09

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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.