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Finding the Third Proportional to 11,809.13 and 25,440.75

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Solution

The third proportional to 11,809.13 and 25,440.75 is: 54,807.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,809.13 : 25,440.75 = 25,440.75 : x
  2. Step 2: Convert to fraction form
    11,809.13/25,440.75 = 25,440.75/x
  3. Step 3: Cross multiply
    11,809.13x = 25,440.75 × 25,440.75
  4. Step 4: Simplify right side
    11,809.13x = 647,231,760.56
  5. Step 5: Solve for x
    x = 647,231,760.56/11,809.13
  6. Step 6: Final answer
    x = 54,807.77

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.