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Finding the Third Proportional to 2,440.13 and 5,426.44

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Solution

The third proportional to 2,440.13 and 5,426.44 is: 12,067.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,440.13 : 5,426.44 = 5,426.44 : x
  2. Step 2: Convert to fraction form
    2,440.13/5,426.44 = 5,426.44/x
  3. Step 3: Cross multiply
    2,440.13x = 5,426.44 × 5,426.44
  4. Step 4: Simplify right side
    2,440.13x = 29,446,223.94
  5. Step 5: Solve for x
    x = 29,446,223.94/2,440.13
  6. Step 6: Final answer
    x = 12,067.51

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.