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Finding the Third Proportional to 8,662 and 18,841

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Solution

The third proportional to 8,662 and 18,841 is: 40,981.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,662 : 18,841 = 18,841 : x
  2. Step 2: Convert to fraction form
    8,662/18,841 = 18,841/x
  3. Step 3: Cross multiply
    8,662x = 18,841 × 18,841
  4. Step 4: Simplify right side
    8,662x = 354,983,281
  5. Step 5: Solve for x
    x = 354,983,281/8,662
  6. Step 6: Final answer
    x = 40,981.68

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.