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Finding the Third Proportional to 3,890.25 and 5,825.25

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Solution

The third proportional to 3,890.25 and 5,825.25 is: 8,722.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,890.25 : 5,825.25 = 5,825.25 : x
  2. Step 2: Convert to fraction form
    3,890.25/5,825.25 = 5,825.25/x
  3. Step 3: Cross multiply
    3,890.25x = 5,825.25 × 5,825.25
  4. Step 4: Simplify right side
    3,890.25x = 33,933,537.56
  5. Step 5: Solve for x
    x = 33,933,537.56/3,890.25
  6. Step 6: Final answer
    x = 8,722.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.