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Finding the Third Proportional to 422,693.77 and 860,149.73

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Solution

The third proportional to 422,693.77 and 860,149.73 is: 1,750,339.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,693.77 : 860,149.73 = 860,149.73 : x
  2. Step 2: Convert to fraction form
    422,693.77/860,149.73 = 860,149.73/x
  3. Step 3: Cross multiply
    422,693.77x = 860,149.73 × 860,149.73
  4. Step 4: Simplify right side
    422,693.77x = 739,857,565,545.38
  5. Step 5: Solve for x
    x = 739,857,565,545.38/422,693.77
  6. Step 6: Final answer
    x = 1,750,339.43

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Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.