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Finding the Third Proportional to 3,267 and 4,509

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Solution

The third proportional to 3,267 and 4,509 is: 6,223.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,267 : 4,509 = 4,509 : x
  2. Step 2: Convert to fraction form
    3,267/4,509 = 4,509/x
  3. Step 3: Cross multiply
    3,267x = 4,509 × 4,509
  4. Step 4: Simplify right side
    3,267x = 20,331,081
  5. Step 5: Solve for x
    x = 20,331,081/3,267
  6. Step 6: Final answer
    x = 6,223.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.