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Finding the Third Proportional to 17,689 and 26,762

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Solution

The third proportional to 17,689 and 26,762 is: 40,488.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,689 : 26,762 = 26,762 : x
  2. Step 2: Convert to fraction form
    17,689/26,762 = 26,762/x
  3. Step 3: Cross multiply
    17,689x = 26,762 × 26,762
  4. Step 4: Simplify right side
    17,689x = 716,204,644
  5. Step 5: Solve for x
    x = 716,204,644/17,689
  6. Step 6: Final answer
    x = 40,488.70

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.