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Finding the Third Proportional to 18,104 and 38,674

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Solution

The third proportional to 18,104 and 38,674 is: 82,615.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,104 : 38,674 = 38,674 : x
  2. Step 2: Convert to fraction form
    18,104/38,674 = 38,674/x
  3. Step 3: Cross multiply
    18,104x = 38,674 × 38,674
  4. Step 4: Simplify right side
    18,104x = 1,495,678,276
  5. Step 5: Solve for x
    x = 1,495,678,276/18,104
  6. Step 6: Final answer
    x = 82,615.90

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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.