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Finding the Third Proportional to 80,786 and 124,006

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Solution

The third proportional to 80,786 and 124,006 is: 190,348.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,786 : 124,006 = 124,006 : x
  2. Step 2: Convert to fraction form
    80,786/124,006 = 124,006/x
  3. Step 3: Cross multiply
    80,786x = 124,006 × 124,006
  4. Step 4: Simplify right side
    80,786x = 15,377,488,036
  5. Step 5: Solve for x
    x = 15,377,488,036/80,786
  6. Step 6: Final answer
    x = 190,348.43

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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.