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Finding the Third Proportional to 38,754 and 86,274

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Solution

The third proportional to 38,754 and 86,274 is: 192,062.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,754 : 86,274 = 86,274 : x
  2. Step 2: Convert to fraction form
    38,754/86,274 = 86,274/x
  3. Step 3: Cross multiply
    38,754x = 86,274 × 86,274
  4. Step 4: Simplify right side
    38,754x = 7,443,203,076
  5. Step 5: Solve for x
    x = 7,443,203,076/38,754
  6. Step 6: Final answer
    x = 192,062.83

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Why These Related Problems?

These problems maintain the same ratio (2.23) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.