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Finding the Third Proportional to 11,591.44 and 20,688.75

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Solution

The third proportional to 11,591.44 and 20,688.75 is: 36,925.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,591.44 : 20,688.75 = 20,688.75 : x
  2. Step 2: Convert to fraction form
    11,591.44/20,688.75 = 20,688.75/x
  3. Step 3: Cross multiply
    11,591.44x = 20,688.75 × 20,688.75
  4. Step 4: Simplify right side
    11,591.44x = 428,024,376.56
  5. Step 5: Solve for x
    x = 428,024,376.56/11,591.44
  6. Step 6: Final answer
    x = 36,925.91

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Why These Related Problems?

These problems maintain the same ratio (1.78) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.