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Finding the Third Proportional to 94,845 and 198,458

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Solution

The third proportional to 94,845 and 198,458 is: 415,262.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,845 : 198,458 = 198,458 : x
  2. Step 2: Convert to fraction form
    94,845/198,458 = 198,458/x
  3. Step 3: Cross multiply
    94,845x = 198,458 × 198,458
  4. Step 4: Simplify right side
    94,845x = 39,385,577,764
  5. Step 5: Solve for x
    x = 39,385,577,764/94,845
  6. Step 6: Final answer
    x = 415,262.56

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Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.