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Finding the Third Proportional to 2,438.44 and 5,275.13

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Solution

The third proportional to 2,438.44 and 5,275.13 is: 11,411.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,438.44 : 5,275.13 = 5,275.13 : x
  2. Step 2: Convert to fraction form
    2,438.44/5,275.13 = 5,275.13/x
  3. Step 3: Cross multiply
    2,438.44x = 5,275.13 × 5,275.13
  4. Step 4: Simplify right side
    2,438.44x = 27,826,943.77
  5. Step 5: Solve for x
    x = 27,826,943.77/2,438.44
  6. Step 6: Final answer
    x = 11,411.79

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.