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Finding the Third Proportional to 1,545.75 and 3,393

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Solution

The third proportional to 1,545.75 and 3,393 is: 7,447.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,545.75 : 3,393 = 3,393 : x
  2. Step 2: Convert to fraction form
    1,545.75/3,393 = 3,393/x
  3. Step 3: Cross multiply
    1,545.75x = 3,393 × 3,393
  4. Step 4: Simplify right side
    1,545.75x = 11,512,449
  5. Step 5: Solve for x
    x = 11,512,449/1,545.75
  6. Step 6: Final answer
    x = 7,447.81

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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.