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Finding the Third Proportional to 45,318 and 68,193

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Solution

The third proportional to 45,318 and 68,193 is: 102,614.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,318 : 68,193 = 68,193 : x
  2. Step 2: Convert to fraction form
    45,318/68,193 = 68,193/x
  3. Step 3: Cross multiply
    45,318x = 68,193 × 68,193
  4. Step 4: Simplify right side
    45,318x = 4,650,285,249
  5. Step 5: Solve for x
    x = 4,650,285,249/45,318
  6. Step 6: Final answer
    x = 102,614.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.