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Finding the Third Proportional to 18,934 and 41,142

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Solution

The third proportional to 18,934 and 41,142 is: 89,398.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,934 : 41,142 = 41,142 : x
  2. Step 2: Convert to fraction form
    18,934/41,142 = 41,142/x
  3. Step 3: Cross multiply
    18,934x = 41,142 × 41,142
  4. Step 4: Simplify right side
    18,934x = 1,692,664,164
  5. Step 5: Solve for x
    x = 1,692,664,164/18,934
  6. Step 6: Final answer
    x = 89,398.13

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.