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Finding the Third Proportional to 92,162 and 197,380

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Solution

The third proportional to 92,162 and 197,380 is: 422,721.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,162 : 197,380 = 197,380 : x
  2. Step 2: Convert to fraction form
    92,162/197,380 = 197,380/x
  3. Step 3: Cross multiply
    92,162x = 197,380 × 197,380
  4. Step 4: Simplify right side
    92,162x = 38,958,864,400
  5. Step 5: Solve for x
    x = 38,958,864,400/92,162
  6. Step 6: Final answer
    x = 422,721.56

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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.