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Finding the Third Proportional to 37,638 and 80,276

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Solution

The third proportional to 37,638 and 80,276 is: 171,216.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,638 : 80,276 = 80,276 : x
  2. Step 2: Convert to fraction form
    37,638/80,276 = 80,276/x
  3. Step 3: Cross multiply
    37,638x = 80,276 × 80,276
  4. Step 4: Simplify right side
    37,638x = 6,444,236,176
  5. Step 5: Solve for x
    x = 6,444,236,176/37,638
  6. Step 6: Final answer
    x = 171,216.22

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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.