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Finding the Third Proportional to 37,387 and 57,257

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Solution

The third proportional to 37,387 and 57,257 is: 87,687.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,387 : 57,257 = 57,257 : x
  2. Step 2: Convert to fraction form
    37,387/57,257 = 57,257/x
  3. Step 3: Cross multiply
    37,387x = 57,257 × 57,257
  4. Step 4: Simplify right side
    37,387x = 3,278,364,049
  5. Step 5: Solve for x
    x = 3,278,364,049/37,387
  6. Step 6: Final answer
    x = 87,687.27

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.