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Finding the Third Proportional to 52,672.50 and 115,649

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Solution

The third proportional to 52,672.50 and 115,649 is: 253,921.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,672.50 : 115,649 = 115,649 : x
  2. Step 2: Convert to fraction form
    52,672.50/115,649 = 115,649/x
  3. Step 3: Cross multiply
    52,672.50x = 115,649 × 115,649
  4. Step 4: Simplify right side
    52,672.50x = 13,374,691,201
  5. Step 5: Solve for x
    x = 13,374,691,201/52,672.50
  6. Step 6: Final answer
    x = 253,921.71

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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.