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Finding the Third Proportional to 11,214 and 22,131

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Solution

The third proportional to 11,214 and 22,131 is: 43,675.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,214 : 22,131 = 22,131 : x
  2. Step 2: Convert to fraction form
    11,214/22,131 = 22,131/x
  3. Step 3: Cross multiply
    11,214x = 22,131 × 22,131
  4. Step 4: Simplify right side
    11,214x = 489,781,161
  5. Step 5: Solve for x
    x = 489,781,161/11,214
  6. Step 6: Final answer
    x = 43,675.87

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Why These Related Problems?

These problems maintain the same ratio (1.97) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.