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Finding the Third Proportional to 3,293 and 7,138

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Solution

The third proportional to 3,293 and 7,138 is: 15,472.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,293 : 7,138 = 7,138 : x
  2. Step 2: Convert to fraction form
    3,293/7,138 = 7,138/x
  3. Step 3: Cross multiply
    3,293x = 7,138 × 7,138
  4. Step 4: Simplify right side
    3,293x = 50,951,044
  5. Step 5: Solve for x
    x = 50,951,044/3,293
  6. Step 6: Final answer
    x = 15,472.53

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.