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Finding the Third Proportional to 18,766 and 40,444

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Solution

The third proportional to 18,766 and 40,444 is: 87,163.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,766 : 40,444 = 40,444 : x
  2. Step 2: Convert to fraction form
    18,766/40,444 = 40,444/x
  3. Step 3: Cross multiply
    18,766x = 40,444 × 40,444
  4. Step 4: Simplify right side
    18,766x = 1,635,717,136
  5. Step 5: Solve for x
    x = 1,635,717,136/18,766
  6. Step 6: Final answer
    x = 87,163.87

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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.