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Finding the Third Proportional to 18,108 and 23,868

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Solution

The third proportional to 18,108 and 23,868 is: 31,460.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,108 : 23,868 = 23,868 : x
  2. Step 2: Convert to fraction form
    18,108/23,868 = 23,868/x
  3. Step 3: Cross multiply
    18,108x = 23,868 × 23,868
  4. Step 4: Simplify right side
    18,108x = 569,681,424
  5. Step 5: Solve for x
    x = 569,681,424/18,108
  6. Step 6: Final answer
    x = 31,460.21

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Why These Related Problems?

These problems maintain the same ratio (1.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.