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Finding the Third Proportional to 2,432 and 3,287

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Solution

The third proportional to 2,432 and 3,287 is: 4,442.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,432 : 3,287 = 3,287 : x
  2. Step 2: Convert to fraction form
    2,432/3,287 = 3,287/x
  3. Step 3: Cross multiply
    2,432x = 3,287 × 3,287
  4. Step 4: Simplify right side
    2,432x = 10,804,369
  5. Step 5: Solve for x
    x = 10,804,369/2,432
  6. Step 6: Final answer
    x = 4,442.59

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.