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Finding the Third Proportional to 87,268 and 186,200

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Solution

The third proportional to 87,268 and 186,200 is: 397,286.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,268 : 186,200 = 186,200 : x
  2. Step 2: Convert to fraction form
    87,268/186,200 = 186,200/x
  3. Step 3: Cross multiply
    87,268x = 186,200 × 186,200
  4. Step 4: Simplify right side
    87,268x = 34,670,440,000
  5. Step 5: Solve for x
    x = 34,670,440,000/87,268
  6. Step 6: Final answer
    x = 397,286.98

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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.