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Finding the Third Proportional to 198,096 and 412,608

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Solution

The third proportional to 198,096 and 412,608 is: 859,408.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,096 : 412,608 = 412,608 : x
  2. Step 2: Convert to fraction form
    198,096/412,608 = 412,608/x
  3. Step 3: Cross multiply
    198,096x = 412,608 × 412,608
  4. Step 4: Simplify right side
    198,096x = 170,245,361,664
  5. Step 5: Solve for x
    x = 170,245,361,664/198,096
  6. Step 6: Final answer
    x = 859,408.38

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.