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Finding the Third Proportional to 11,377.13 and 16,908.75

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Solution

The third proportional to 11,377.13 and 16,908.75 is: 25,129.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,377.13 : 16,908.75 = 16,908.75 : x
  2. Step 2: Convert to fraction form
    11,377.13/16,908.75 = 16,908.75/x
  3. Step 3: Cross multiply
    11,377.13x = 16,908.75 × 16,908.75
  4. Step 4: Simplify right side
    11,377.13x = 285,905,826.56
  5. Step 5: Solve for x
    x = 285,905,826.56/11,377.13
  6. Step 6: Final answer
    x = 25,129.88

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.