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Finding the Third Proportional to 395,595 and 871,866

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Solution

The third proportional to 395,595 and 871,866 is: 1,921,536.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,595 : 871,866 = 871,866 : x
  2. Step 2: Convert to fraction form
    395,595/871,866 = 871,866/x
  3. Step 3: Cross multiply
    395,595x = 871,866 × 871,866
  4. Step 4: Simplify right side
    395,595x = 760,150,321,956
  5. Step 5: Solve for x
    x = 760,150,321,956/395,595
  6. Step 6: Final answer
    x = 1,921,536.73

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.