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Finding the Third Proportional to 219,544 and 327,872

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Solution

The third proportional to 219,544 and 327,872 is: 489,651.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,544 : 327,872 = 327,872 : x
  2. Step 2: Convert to fraction form
    219,544/327,872 = 327,872/x
  3. Step 3: Cross multiply
    219,544x = 327,872 × 327,872
  4. Step 4: Simplify right side
    219,544x = 107,500,048,384
  5. Step 5: Solve for x
    x = 107,500,048,384/219,544
  6. Step 6: Final answer
    x = 489,651.50

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.