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Finding the Third Proportional to 80,079 and 122,833.13

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Solution

The third proportional to 80,079 and 122,833.13 is: 188,413.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,079 : 122,833.13 = 122,833.13 : x
  2. Step 2: Convert to fraction form
    80,079/122,833.13 = 122,833.13/x
  3. Step 3: Cross multiply
    80,079x = 122,833.13 × 122,833.13
  4. Step 4: Simplify right side
    80,079x = 15,087,976,597.27
  5. Step 5: Solve for x
    x = 15,087,976,597.27/80,079
  6. Step 6: Final answer
    x = 188,413.65

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.