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Finding the Third Proportional to 37,836 and 80,631

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Solution

The third proportional to 37,836 and 80,631 is: 171,829.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,836 : 80,631 = 80,631 : x
  2. Step 2: Convert to fraction form
    37,836/80,631 = 80,631/x
  3. Step 3: Cross multiply
    37,836x = 80,631 × 80,631
  4. Step 4: Simplify right side
    37,836x = 6,501,358,161
  5. Step 5: Solve for x
    x = 6,501,358,161/37,836
  6. Step 6: Final answer
    x = 171,829.95

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.