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Finding the Third Proportional to 141,750 and 217,503

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Solution

The third proportional to 141,750 and 217,503 is: 333,739.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,750 : 217,503 = 217,503 : x
  2. Step 2: Convert to fraction form
    141,750/217,503 = 217,503/x
  3. Step 3: Cross multiply
    141,750x = 217,503 × 217,503
  4. Step 4: Simplify right side
    141,750x = 47,307,555,009
  5. Step 5: Solve for x
    x = 47,307,555,009/141,750
  6. Step 6: Final answer
    x = 333,739.37

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.