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Finding the Third Proportional to 3,998.25 and 6,257.81

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Solution

The third proportional to 3,998.25 and 6,257.81 is: 9,794.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,998.25 : 6,257.81 = 6,257.81 : x
  2. Step 2: Convert to fraction form
    3,998.25/6,257.81 = 6,257.81/x
  3. Step 3: Cross multiply
    3,998.25x = 6,257.81 × 6,257.81
  4. Step 4: Simplify right side
    3,998.25x = 39,160,217.29
  5. Step 5: Solve for x
    x = 39,160,217.29/3,998.25
  6. Step 6: Final answer
    x = 9,794.34

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.