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Finding the Third Proportional to 327,456.75 and 489,162.75

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Solution

The third proportional to 327,456.75 and 489,162.75 is: 730,723.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,456.75 : 489,162.75 = 489,162.75 : x
  2. Step 2: Convert to fraction form
    327,456.75/489,162.75 = 489,162.75/x
  3. Step 3: Cross multiply
    327,456.75x = 489,162.75 × 489,162.75
  4. Step 4: Simplify right side
    327,456.75x = 239,280,195,987.56
  5. Step 5: Solve for x
    x = 239,280,195,987.56/327,456.75
  6. Step 6: Final answer
    x = 730,723.05

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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.