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Finding the Third Proportional to 18,663 and 41,010

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Solution

The third proportional to 18,663 and 41,010 is: 90,115.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,663 : 41,010 = 41,010 : x
  2. Step 2: Convert to fraction form
    18,663/41,010 = 41,010/x
  3. Step 3: Cross multiply
    18,663x = 41,010 × 41,010
  4. Step 4: Simplify right side
    18,663x = 1,681,820,100
  5. Step 5: Solve for x
    x = 1,681,820,100/18,663
  6. Step 6: Final answer
    x = 90,115.21

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.