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Finding the Third Proportional to 37,948 and 81,512

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Solution

The third proportional to 37,948 and 81,512 is: 175,087.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,948 : 81,512 = 81,512 : x
  2. Step 2: Convert to fraction form
    37,948/81,512 = 81,512/x
  3. Step 3: Cross multiply
    37,948x = 81,512 × 81,512
  4. Step 4: Simplify right side
    37,948x = 6,644,206,144
  5. Step 5: Solve for x
    x = 6,644,206,144/37,948
  6. Step 6: Final answer
    x = 175,087.12

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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.