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Finding the Third Proportional to 16,839 and 25,259

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Solution

The third proportional to 16,839 and 25,259 is: 37,889.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,839 : 25,259 = 25,259 : x
  2. Step 2: Convert to fraction form
    16,839/25,259 = 25,259/x
  3. Step 3: Cross multiply
    16,839x = 25,259 × 25,259
  4. Step 4: Simplify right side
    16,839x = 638,017,081
  5. Step 5: Solve for x
    x = 638,017,081/16,839
  6. Step 6: Final answer
    x = 37,889.25

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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.