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Finding the Third Proportional to 10,690 and 16,771

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Solution

The third proportional to 10,690 and 16,771 is: 26,311.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,690 : 16,771 = 16,771 : x
  2. Step 2: Convert to fraction form
    10,690/16,771 = 16,771/x
  3. Step 3: Cross multiply
    10,690x = 16,771 × 16,771
  4. Step 4: Simplify right side
    10,690x = 281,266,441
  5. Step 5: Solve for x
    x = 281,266,441/10,690
  6. Step 6: Final answer
    x = 26,311.17

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.