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Finding the Third Proportional to 11,856.38 and 25,170.75

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Solution

The third proportional to 11,856.38 and 25,170.75 is: 53,436.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,856.38 : 25,170.75 = 25,170.75 : x
  2. Step 2: Convert to fraction form
    11,856.38/25,170.75 = 25,170.75/x
  3. Step 3: Cross multiply
    11,856.38x = 25,170.75 × 25,170.75
  4. Step 4: Simplify right side
    11,856.38x = 633,566,655.56
  5. Step 5: Solve for x
    x = 633,566,655.56/11,856.38
  6. Step 6: Final answer
    x = 53,436.79

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.