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Finding the Third Proportional to 18,025 and 38,651

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Solution

The third proportional to 18,025 and 38,651 is: 82,879.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,025 : 38,651 = 38,651 : x
  2. Step 2: Convert to fraction form
    18,025/38,651 = 38,651/x
  3. Step 3: Cross multiply
    18,025x = 38,651 × 38,651
  4. Step 4: Simplify right side
    18,025x = 1,493,899,801
  5. Step 5: Solve for x
    x = 1,493,899,801/18,025
  6. Step 6: Final answer
    x = 82,879.32

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.