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Finding the Third Proportional to 4,432 and 6,857

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Solution

The third proportional to 4,432 and 6,857 is: 10,608.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,432 : 6,857 = 6,857 : x
  2. Step 2: Convert to fraction form
    4,432/6,857 = 6,857/x
  3. Step 3: Cross multiply
    4,432x = 6,857 × 6,857
  4. Step 4: Simplify right side
    4,432x = 47,018,449
  5. Step 5: Solve for x
    x = 47,018,449/4,432
  6. Step 6: Final answer
    x = 10,608.86

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.