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Finding the Third Proportional to 84,569 and 185,879

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Solution

The third proportional to 84,569 and 185,879 is: 408,553.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,569 : 185,879 = 185,879 : x
  2. Step 2: Convert to fraction form
    84,569/185,879 = 185,879/x
  3. Step 3: Cross multiply
    84,569x = 185,879 × 185,879
  4. Step 4: Simplify right side
    84,569x = 34,551,002,641
  5. Step 5: Solve for x
    x = 34,551,002,641/84,569
  6. Step 6: Final answer
    x = 408,553.99

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.