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Finding the Third Proportional to 2,131 and 3,233

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Solution

The third proportional to 2,131 and 3,233 is: 4,904.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,131 : 3,233 = 3,233 : x
  2. Step 2: Convert to fraction form
    2,131/3,233 = 3,233/x
  3. Step 3: Cross multiply
    2,131x = 3,233 × 3,233
  4. Step 4: Simplify right side
    2,131x = 10,452,289
  5. Step 5: Solve for x
    x = 10,452,289/2,131
  6. Step 6: Final answer
    x = 4,904.88

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.