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Finding the Third Proportional to 90,524 and 198,884

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Solution

The third proportional to 90,524 and 198,884 is: 436,954.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,524 : 198,884 = 198,884 : x
  2. Step 2: Convert to fraction form
    90,524/198,884 = 198,884/x
  3. Step 3: Cross multiply
    90,524x = 198,884 × 198,884
  4. Step 4: Simplify right side
    90,524x = 39,554,845,456
  5. Step 5: Solve for x
    x = 39,554,845,456/90,524
  6. Step 6: Final answer
    x = 436,954.24

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.