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Finding the Third Proportional to 18,254 and 38,704

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Solution

The third proportional to 18,254 and 38,704 is: 82,064.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,254 : 38,704 = 38,704 : x
  2. Step 2: Convert to fraction form
    18,254/38,704 = 38,704/x
  3. Step 3: Cross multiply
    18,254x = 38,704 × 38,704
  4. Step 4: Simplify right side
    18,254x = 1,497,999,616
  5. Step 5: Solve for x
    x = 1,497,999,616/18,254
  6. Step 6: Final answer
    x = 82,064.18

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.