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Finding the Third Proportional to 12,631 and 17,697

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Solution

The third proportional to 12,631 and 17,697 is: 24,794.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,631 : 17,697 = 17,697 : x
  2. Step 2: Convert to fraction form
    12,631/17,697 = 17,697/x
  3. Step 3: Cross multiply
    12,631x = 17,697 × 17,697
  4. Step 4: Simplify right side
    12,631x = 313,183,809
  5. Step 5: Solve for x
    x = 313,183,809/12,631
  6. Step 6: Final answer
    x = 24,794.85

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.