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Finding the Third Proportional to 37,186 and 81,206

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Solution

The third proportional to 37,186 and 81,206 is: 177,335.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,186 : 81,206 = 81,206 : x
  2. Step 2: Convert to fraction form
    37,186/81,206 = 81,206/x
  3. Step 3: Cross multiply
    37,186x = 81,206 × 81,206
  4. Step 4: Simplify right side
    37,186x = 6,594,414,436
  5. Step 5: Solve for x
    x = 6,594,414,436/37,186
  6. Step 6: Final answer
    x = 177,335.94

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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.