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Finding the Third Proportional to 3,008 and 3,287

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Solution

The third proportional to 3,008 and 3,287 is: 3,591.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,008 : 3,287 = 3,287 : x
  2. Step 2: Convert to fraction form
    3,008/3,287 = 3,287/x
  3. Step 3: Cross multiply
    3,008x = 3,287 × 3,287
  4. Step 4: Simplify right side
    3,008x = 10,804,369
  5. Step 5: Solve for x
    x = 10,804,369/3,008
  6. Step 6: Final answer
    x = 3,591.88

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Why These Related Problems?

These problems maintain the same ratio (1.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.