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Finding the Third Proportional to 40,227 and 86,685

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Solution

The third proportional to 40,227 and 86,685 is: 186,797.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,227 : 86,685 = 86,685 : x
  2. Step 2: Convert to fraction form
    40,227/86,685 = 86,685/x
  3. Step 3: Cross multiply
    40,227x = 86,685 × 86,685
  4. Step 4: Simplify right side
    40,227x = 7,514,289,225
  5. Step 5: Solve for x
    x = 7,514,289,225/40,227
  6. Step 6: Final answer
    x = 186,797.16

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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.