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Finding the Third Proportional to 37,919 and 81,652

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Solution

The third proportional to 37,919 and 81,652 is: 175,823.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,919 : 81,652 = 81,652 : x
  2. Step 2: Convert to fraction form
    37,919/81,652 = 81,652/x
  3. Step 3: Cross multiply
    37,919x = 81,652 × 81,652
  4. Step 4: Simplify right side
    37,919x = 6,667,049,104
  5. Step 5: Solve for x
    x = 6,667,049,104/37,919
  6. Step 6: Final answer
    x = 175,823.44

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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.