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Finding the Third Proportional to 80,854 and 170,087

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Solution

The third proportional to 80,854 and 170,087 is: 357,800.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,854 : 170,087 = 170,087 : x
  2. Step 2: Convert to fraction form
    80,854/170,087 = 170,087/x
  3. Step 3: Cross multiply
    80,854x = 170,087 × 170,087
  4. Step 4: Simplify right side
    80,854x = 28,929,587,569
  5. Step 5: Solve for x
    x = 28,929,587,569/80,854
  6. Step 6: Final answer
    x = 357,800.33

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.