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Finding the Third Proportional to 198,464 and 298,148

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Solution

The third proportional to 198,464 and 298,148 is: 447,901.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,464 : 298,148 = 298,148 : x
  2. Step 2: Convert to fraction form
    198,464/298,148 = 298,148/x
  3. Step 3: Cross multiply
    198,464x = 298,148 × 298,148
  4. Step 4: Simplify right side
    198,464x = 88,892,229,904
  5. Step 5: Solve for x
    x = 88,892,229,904/198,464
  6. Step 6: Final answer
    x = 447,901.03

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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.