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Finding the Third Proportional to 18,081 and 40,887

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Solution

The third proportional to 18,081 and 40,887 is: 92,458.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,081 : 40,887 = 40,887 : x
  2. Step 2: Convert to fraction form
    18,081/40,887 = 40,887/x
  3. Step 3: Cross multiply
    18,081x = 40,887 × 40,887
  4. Step 4: Simplify right side
    18,081x = 1,671,746,769
  5. Step 5: Solve for x
    x = 1,671,746,769/18,081
  6. Step 6: Final answer
    x = 92,458.76

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Why These Related Problems?

These problems maintain the same ratio (2.26) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.