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Finding the Third Proportional to 17,626 and 27,309

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Solution

The third proportional to 17,626 and 27,309 is: 42,311.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,626 : 27,309 = 27,309 : x
  2. Step 2: Convert to fraction form
    17,626/27,309 = 27,309/x
  3. Step 3: Cross multiply
    17,626x = 27,309 × 27,309
  4. Step 4: Simplify right side
    17,626x = 745,781,481
  5. Step 5: Solve for x
    x = 745,781,481/17,626
  6. Step 6: Final answer
    x = 42,311.44

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.