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Finding the Third Proportional to 37,318 and 81,126

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Solution

The third proportional to 37,318 and 81,126 is: 176,360.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,318 : 81,126 = 81,126 : x
  2. Step 2: Convert to fraction form
    37,318/81,126 = 81,126/x
  3. Step 3: Cross multiply
    37,318x = 81,126 × 81,126
  4. Step 4: Simplify right side
    37,318x = 6,581,427,876
  5. Step 5: Solve for x
    x = 6,581,427,876/37,318
  6. Step 6: Final answer
    x = 176,360.68

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.