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Finding the Third Proportional to 83,930.25 and 171,738.75

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Solution

The third proportional to 83,930.25 and 171,738.75 is: 351,413.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,930.25 : 171,738.75 = 171,738.75 : x
  2. Step 2: Convert to fraction form
    83,930.25/171,738.75 = 171,738.75/x
  3. Step 3: Cross multiply
    83,930.25x = 171,738.75 × 171,738.75
  4. Step 4: Simplify right side
    83,930.25x = 29,494,198,251.56
  5. Step 5: Solve for x
    x = 29,494,198,251.56/83,930.25
  6. Step 6: Final answer
    x = 351,413.21

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.