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Finding the Third Proportional to 37,388 and 80,257

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Solution

The third proportional to 37,388 and 80,257 is: 172,279.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,388 : 80,257 = 80,257 : x
  2. Step 2: Convert to fraction form
    37,388/80,257 = 80,257/x
  3. Step 3: Cross multiply
    37,388x = 80,257 × 80,257
  4. Step 4: Simplify right side
    37,388x = 6,441,186,049
  5. Step 5: Solve for x
    x = 6,441,186,049/37,388
  6. Step 6: Final answer
    x = 172,279.50

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.