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Finding the Third Proportional to 204,784 and 320,552

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Solution

The third proportional to 204,784 and 320,552 is: 501,765.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,784 : 320,552 = 320,552 : x
  2. Step 2: Convert to fraction form
    204,784/320,552 = 320,552/x
  3. Step 3: Cross multiply
    204,784x = 320,552 × 320,552
  4. Step 4: Simplify right side
    204,784x = 102,753,584,704
  5. Step 5: Solve for x
    x = 102,753,584,704/204,784
  6. Step 6: Final answer
    x = 501,765.69

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.