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Finding the Third Proportional to 3,321 and 4,367.25

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Solution

The third proportional to 3,321 and 4,367.25 is: 5,743.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,321 : 4,367.25 = 4,367.25 : x
  2. Step 2: Convert to fraction form
    3,321/4,367.25 = 4,367.25/x
  3. Step 3: Cross multiply
    3,321x = 4,367.25 × 4,367.25
  4. Step 4: Simplify right side
    3,321x = 19,072,872.56
  5. Step 5: Solve for x
    x = 19,072,872.56/3,321
  6. Step 6: Final answer
    x = 5,743.11

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Why These Related Problems?

These problems maintain the same ratio (1.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.