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Finding the Third Proportional to 38,667 and 82,074

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Solution

The third proportional to 38,667 and 82,074 is: 174,209.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,667 : 82,074 = 82,074 : x
  2. Step 2: Convert to fraction form
    38,667/82,074 = 82,074/x
  3. Step 3: Cross multiply
    38,667x = 82,074 × 82,074
  4. Step 4: Simplify right side
    38,667x = 6,736,141,476
  5. Step 5: Solve for x
    x = 6,736,141,476/38,667
  6. Step 6: Final answer
    x = 174,209.05

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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.