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Finding the Third Proportional to 143,862.75 and 217,793.25

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Solution

The third proportional to 143,862.75 and 217,793.25 is: 329,716.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,862.75 : 217,793.25 = 217,793.25 : x
  2. Step 2: Convert to fraction form
    143,862.75/217,793.25 = 217,793.25/x
  3. Step 3: Cross multiply
    143,862.75x = 217,793.25 × 217,793.25
  4. Step 4: Simplify right side
    143,862.75x = 47,433,899,745.56
  5. Step 5: Solve for x
    x = 47,433,899,745.56/143,862.75
  6. Step 6: Final answer
    x = 329,716.34

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.