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Finding the Third Proportional to 198,087 and 298,079

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Solution

The third proportional to 198,087 and 298,079 is: 448,545.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,087 : 298,079 = 298,079 : x
  2. Step 2: Convert to fraction form
    198,087/298,079 = 298,079/x
  3. Step 3: Cross multiply
    198,087x = 298,079 × 298,079
  4. Step 4: Simplify right side
    198,087x = 88,851,090,241
  5. Step 5: Solve for x
    x = 88,851,090,241/198,087
  6. Step 6: Final answer
    x = 448,545.79

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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.