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Finding the Third Proportional to 7,035 and 13,872

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Solution

The third proportional to 7,035 and 13,872 is: 27,353.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,035 : 13,872 = 13,872 : x
  2. Step 2: Convert to fraction form
    7,035/13,872 = 13,872/x
  3. Step 3: Cross multiply
    7,035x = 13,872 × 13,872
  4. Step 4: Simplify right side
    7,035x = 192,432,384
  5. Step 5: Solve for x
    x = 192,432,384/7,035
  6. Step 6: Final answer
    x = 27,353.57

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Why These Related Problems?

These problems maintain the same ratio (1.97) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.