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Finding the Third Proportional to 91,768.50 and 203,189.75

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Solution

The third proportional to 91,768.50 and 203,189.75 is: 449,893.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,768.50 : 203,189.75 = 203,189.75 : x
  2. Step 2: Convert to fraction form
    91,768.50/203,189.75 = 203,189.75/x
  3. Step 3: Cross multiply
    91,768.50x = 203,189.75 × 203,189.75
  4. Step 4: Simplify right side
    91,768.50x = 41,286,074,505.06
  5. Step 5: Solve for x
    x = 41,286,074,505.06/91,768.50
  6. Step 6: Final answer
    x = 449,893.75

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Why These Related Problems?

These problems maintain the same ratio (2.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.