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Finding the Third Proportional to 217,279.13 and 454,413.38

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Solution

The third proportional to 217,279.13 and 454,413.38 is: 950,351.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,279.13 : 454,413.38 = 454,413.38 : x
  2. Step 2: Convert to fraction form
    217,279.13/454,413.38 = 454,413.38/x
  3. Step 3: Cross multiply
    217,279.13x = 454,413.38 × 454,413.38
  4. Step 4: Simplify right side
    217,279.13x = 206,491,515,378.89
  5. Step 5: Solve for x
    x = 206,491,515,378.89/217,279.13
  6. Step 6: Final answer
    x = 950,351.38

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Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.