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Finding the Third Proportional to 92,215 and 187,811

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Solution

The third proportional to 92,215 and 187,811 is: 382,507.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,215 : 187,811 = 187,811 : x
  2. Step 2: Convert to fraction form
    92,215/187,811 = 187,811/x
  3. Step 3: Cross multiply
    92,215x = 187,811 × 187,811
  4. Step 4: Simplify right side
    92,215x = 35,272,971,721
  5. Step 5: Solve for x
    x = 35,272,971,721/92,215
  6. Step 6: Final answer
    x = 382,507.96

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Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.