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Finding the Third Proportional to 75,692 and 162,932

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Solution

The third proportional to 75,692 and 162,932 is: 350,721.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,692 : 162,932 = 162,932 : x
  2. Step 2: Convert to fraction form
    75,692/162,932 = 162,932/x
  3. Step 3: Cross multiply
    75,692x = 162,932 × 162,932
  4. Step 4: Simplify right side
    75,692x = 26,546,836,624
  5. Step 5: Solve for x
    x = 26,546,836,624/75,692
  6. Step 6: Final answer
    x = 350,721.83

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.