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Finding the Third Proportional to 1,321.88 and 2,204.44

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Solution

The third proportional to 1,321.88 and 2,204.44 is: 3,676.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,321.88 : 2,204.44 = 2,204.44 : x
  2. Step 2: Convert to fraction form
    1,321.88/2,204.44 = 2,204.44/x
  3. Step 3: Cross multiply
    1,321.88x = 2,204.44 × 2,204.44
  4. Step 4: Simplify right side
    1,321.88x = 4,859,544.69
  5. Step 5: Solve for x
    x = 4,859,544.69/1,321.88
  6. Step 6: Final answer
    x = 3,676.25

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Why These Related Problems?

These problems maintain the same ratio (1.67) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.