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Finding the Third Proportional to 3,231 and 3,525

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Solution

The third proportional to 3,231 and 3,525 is: 3,845.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,231 : 3,525 = 3,525 : x
  2. Step 2: Convert to fraction form
    3,231/3,525 = 3,525/x
  3. Step 3: Cross multiply
    3,231x = 3,525 × 3,525
  4. Step 4: Simplify right side
    3,231x = 12,425,625
  5. Step 5: Solve for x
    x = 12,425,625/3,231
  6. Step 6: Final answer
    x = 3,845.75

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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.