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Finding the Third Proportional to 1,982.44 and 4,317.94

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Solution

The third proportional to 1,982.44 and 4,317.94 is: 9,404.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,982.44 : 4,317.94 = 4,317.94 : x
  2. Step 2: Convert to fraction form
    1,982.44/4,317.94 = 4,317.94/x
  3. Step 3: Cross multiply
    1,982.44x = 4,317.94 × 4,317.94
  4. Step 4: Simplify right side
    1,982.44x = 18,644,584.25
  5. Step 5: Solve for x
    x = 18,644,584.25/1,982.44
  6. Step 6: Final answer
    x = 9,404.88

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.