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Finding the Third Proportional to 37,212 and 81,794

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Solution

The third proportional to 37,212 and 81,794 is: 179,787.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,212 : 81,794 = 81,794 : x
  2. Step 2: Convert to fraction form
    37,212/81,794 = 81,794/x
  3. Step 3: Cross multiply
    37,212x = 81,794 × 81,794
  4. Step 4: Simplify right side
    37,212x = 6,690,258,436
  5. Step 5: Solve for x
    x = 6,690,258,436/37,212
  6. Step 6: Final answer
    x = 179,787.66

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.