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Finding the Third Proportional to 2,168 and 3,293

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Solution

The third proportional to 2,168 and 3,293 is: 5,001.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,168 : 3,293 = 3,293 : x
  2. Step 2: Convert to fraction form
    2,168/3,293 = 3,293/x
  3. Step 3: Cross multiply
    2,168x = 3,293 × 3,293
  4. Step 4: Simplify right side
    2,168x = 10,843,849
  5. Step 5: Solve for x
    x = 10,843,849/2,168
  6. Step 6: Final answer
    x = 5,001.78

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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.