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Finding the Third Proportional to 16,857 and 25,285

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Solution

The third proportional to 16,857 and 25,285 is: 37,926.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,857 : 25,285 = 25,285 : x
  2. Step 2: Convert to fraction form
    16,857/25,285 = 25,285/x
  3. Step 3: Cross multiply
    16,857x = 25,285 × 25,285
  4. Step 4: Simplify right side
    16,857x = 639,331,225
  5. Step 5: Solve for x
    x = 639,331,225/16,857
  6. Step 6: Final answer
    x = 37,926.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.