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Finding the Third Proportional to 215,560.41 and 444,958.31

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Solution

The third proportional to 215,560.41 and 444,958.31 is: 918,479.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,560.41 : 444,958.31 = 444,958.31 : x
  2. Step 2: Convert to fraction form
    215,560.41/444,958.31 = 444,958.31/x
  3. Step 3: Cross multiply
    215,560.41x = 444,958.31 × 444,958.31
  4. Step 4: Simplify right side
    215,560.41x = 197,987,899,862.85
  5. Step 5: Solve for x
    x = 197,987,899,862.85/215,560.41
  6. Step 6: Final answer
    x = 918,479.90

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Why These Related Problems?

These problems maintain the same ratio (2.06) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.