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Finding the Third Proportional to 3,239 and 3,767

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Solution

The third proportional to 3,239 and 3,767 is: 4,381.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,239 : 3,767 = 3,767 : x
  2. Step 2: Convert to fraction form
    3,239/3,767 = 3,767/x
  3. Step 3: Cross multiply
    3,239x = 3,767 × 3,767
  4. Step 4: Simplify right side
    3,239x = 14,190,289
  5. Step 5: Solve for x
    x = 14,190,289/3,239
  6. Step 6: Final answer
    x = 4,381.07

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Why These Related Problems?

These problems maintain the same ratio (1.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.