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Finding the Third Proportional to 155,545.50 and 241,311

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Solution

The third proportional to 155,545.50 and 241,311 is: 374,366.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,545.50 : 241,311 = 241,311 : x
  2. Step 2: Convert to fraction form
    155,545.50/241,311 = 241,311/x
  3. Step 3: Cross multiply
    155,545.50x = 241,311 × 241,311
  4. Step 4: Simplify right side
    155,545.50x = 58,230,998,721
  5. Step 5: Solve for x
    x = 58,230,998,721/155,545.50
  6. Step 6: Final answer
    x = 374,366.33

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.