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Finding the Third Proportional to 8,015 and 17,543

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Solution

The third proportional to 8,015 and 17,543 is: 38,397.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,015 : 17,543 = 17,543 : x
  2. Step 2: Convert to fraction form
    8,015/17,543 = 17,543/x
  3. Step 3: Cross multiply
    8,015x = 17,543 × 17,543
  4. Step 4: Simplify right side
    8,015x = 307,756,849
  5. Step 5: Solve for x
    x = 307,756,849/8,015
  6. Step 6: Final answer
    x = 38,397.61

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.