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Finding the Third Proportional to 38,676 and 82,410

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Solution

The third proportional to 38,676 and 82,410 is: 175,597.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,676 : 82,410 = 82,410 : x
  2. Step 2: Convert to fraction form
    38,676/82,410 = 82,410/x
  3. Step 3: Cross multiply
    38,676x = 82,410 × 82,410
  4. Step 4: Simplify right side
    38,676x = 6,791,408,100
  5. Step 5: Solve for x
    x = 6,791,408,100/38,676
  6. Step 6: Final answer
    x = 175,597.48

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.