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Finding the Third Proportional to 17,395 and 26,172

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Solution

The third proportional to 17,395 and 26,172 is: 39,377.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,395 : 26,172 = 26,172 : x
  2. Step 2: Convert to fraction form
    17,395/26,172 = 26,172/x
  3. Step 3: Cross multiply
    17,395x = 26,172 × 26,172
  4. Step 4: Simplify right side
    17,395x = 684,973,584
  5. Step 5: Solve for x
    x = 684,973,584/17,395
  6. Step 6: Final answer
    x = 39,377.61

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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.