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Finding the Third Proportional to 80,779 and 134,163

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Solution

The third proportional to 80,779 and 134,163 is: 222,826.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,779 : 134,163 = 134,163 : x
  2. Step 2: Convert to fraction form
    80,779/134,163 = 134,163/x
  3. Step 3: Cross multiply
    80,779x = 134,163 × 134,163
  4. Step 4: Simplify right side
    80,779x = 17,999,710,569
  5. Step 5: Solve for x
    x = 17,999,710,569/80,779
  6. Step 6: Final answer
    x = 222,826.61

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Why These Related Problems?

These problems maintain the same ratio (1.66) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.