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Finding the Third Proportional to 844.59 and 1,819.97

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Solution

The third proportional to 844.59 and 1,819.97 is: 3,921.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    844.59 : 1,819.97 = 1,819.97 : x
  2. Step 2: Convert to fraction form
    844.59/1,819.97 = 1,819.97/x
  3. Step 3: Cross multiply
    844.59x = 1,819.97 × 1,819.97
  4. Step 4: Simplify right side
    844.59x = 3,312,286.25
  5. Step 5: Solve for x
    x = 3,312,286.25/844.59
  6. Step 6: Final answer
    x = 3,921.75

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.