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Finding the Third Proportional to 91,524 and 199,908

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Solution

The third proportional to 91,524 and 199,908 is: 436,641.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,524 : 199,908 = 199,908 : x
  2. Step 2: Convert to fraction form
    91,524/199,908 = 199,908/x
  3. Step 3: Cross multiply
    91,524x = 199,908 × 199,908
  4. Step 4: Simplify right side
    91,524x = 39,963,208,464
  5. Step 5: Solve for x
    x = 39,963,208,464/91,524
  6. Step 6: Final answer
    x = 436,641.85

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.