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Finding the Third Proportional to 23,781 and 51,249

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Solution

The third proportional to 23,781 and 51,249 is: 110,443.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,781 : 51,249 = 51,249 : x
  2. Step 2: Convert to fraction form
    23,781/51,249 = 51,249/x
  3. Step 3: Cross multiply
    23,781x = 51,249 × 51,249
  4. Step 4: Simplify right side
    23,781x = 2,626,460,001
  5. Step 5: Solve for x
    x = 2,626,460,001/23,781
  6. Step 6: Final answer
    x = 110,443.63

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.