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Finding the Third Proportional to 221,692.50 and 324,672.75

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Solution

The third proportional to 221,692.50 and 324,672.75 is: 475,489.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,692.50 : 324,672.75 = 324,672.75 : x
  2. Step 2: Convert to fraction form
    221,692.50/324,672.75 = 324,672.75/x
  3. Step 3: Cross multiply
    221,692.50x = 324,672.75 × 324,672.75
  4. Step 4: Simplify right side
    221,692.50x = 105,412,394,592.56
  5. Step 5: Solve for x
    x = 105,412,394,592.56/221,692.50
  6. Step 6: Final answer
    x = 475,489.22

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.