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Finding the Third Proportional to 266,793.75 and 408,057.75

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Solution

The third proportional to 266,793.75 and 408,057.75 is: 624,119.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,793.75 : 408,057.75 = 408,057.75 : x
  2. Step 2: Convert to fraction form
    266,793.75/408,057.75 = 408,057.75/x
  3. Step 3: Cross multiply
    266,793.75x = 408,057.75 × 408,057.75
  4. Step 4: Simplify right side
    266,793.75x = 166,511,127,335.06
  5. Step 5: Solve for x
    x = 166,511,127,335.06/266,793.75
  6. Step 6: Final answer
    x = 624,119.30

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.