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Finding the Third Proportional to 87,267 and 190,086

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Solution

The third proportional to 87,267 and 190,086 is: 414,047.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,267 : 190,086 = 190,086 : x
  2. Step 2: Convert to fraction form
    87,267/190,086 = 190,086/x
  3. Step 3: Cross multiply
    87,267x = 190,086 × 190,086
  4. Step 4: Simplify right side
    87,267x = 36,132,687,396
  5. Step 5: Solve for x
    x = 36,132,687,396/87,267
  6. Step 6: Final answer
    x = 414,047.55

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.