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Finding the Third Proportional to 198,243.75 and 296,499.38

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Solution

The third proportional to 198,243.75 and 296,499.38 is: 443,453.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,243.75 : 296,499.38 = 296,499.38 : x
  2. Step 2: Convert to fraction form
    198,243.75/296,499.38 = 296,499.38/x
  3. Step 3: Cross multiply
    198,243.75x = 296,499.38 × 296,499.38
  4. Step 4: Simplify right side
    198,243.75x = 87,911,879,375.39
  5. Step 5: Solve for x
    x = 87,911,879,375.39/198,243.75
  6. Step 6: Final answer
    x = 443,453.47

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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.