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Finding the Third Proportional to 198,037 and 298,007

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Solution

The third proportional to 198,037 and 298,007 is: 448,442.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,037 : 298,007 = 298,007 : x
  2. Step 2: Convert to fraction form
    198,037/298,007 = 298,007/x
  3. Step 3: Cross multiply
    198,037x = 298,007 × 298,007
  4. Step 4: Simplify right side
    198,037x = 88,808,172,049
  5. Step 5: Solve for x
    x = 88,808,172,049/198,037
  6. Step 6: Final answer
    x = 448,442.32

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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.