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Finding the Third Proportional to 724,405.50 and 1,573,821

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Solution

The third proportional to 724,405.50 and 1,573,821 is: 3,419,234.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,405.50 : 1,573,821 = 1,573,821 : x
  2. Step 2: Convert to fraction form
    724,405.50/1,573,821 = 1,573,821/x
  3. Step 3: Cross multiply
    724,405.50x = 1,573,821 × 1,573,821
  4. Step 4: Simplify right side
    724,405.50x = 2,476,912,540,041
  5. Step 5: Solve for x
    x = 2,476,912,540,041/724,405.50
  6. Step 6: Final answer
    x = 3,419,234.86

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.