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Finding the Third Proportional to 17,021 and 22,687

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Solution

The third proportional to 17,021 and 22,687 is: 30,239.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,021 : 22,687 = 22,687 : x
  2. Step 2: Convert to fraction form
    17,021/22,687 = 22,687/x
  3. Step 3: Cross multiply
    17,021x = 22,687 × 22,687
  4. Step 4: Simplify right side
    17,021x = 514,699,969
  5. Step 5: Solve for x
    x = 514,699,969/17,021
  6. Step 6: Final answer
    x = 30,239.11

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.