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Finding the Third Proportional to 17,420 and 26,098

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Solution

The third proportional to 17,420 and 26,098 is: 39,099.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,420 : 26,098 = 26,098 : x
  2. Step 2: Convert to fraction form
    17,420/26,098 = 26,098/x
  3. Step 3: Cross multiply
    17,420x = 26,098 × 26,098
  4. Step 4: Simplify right side
    17,420x = 681,105,604
  5. Step 5: Solve for x
    x = 681,105,604/17,420
  6. Step 6: Final answer
    x = 39,099.06

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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.