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Finding the Third Proportional to 312,062 and 672,193

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Solution

The third proportional to 312,062 and 672,193 is: 1,447,928.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,062 : 672,193 = 672,193 : x
  2. Step 2: Convert to fraction form
    312,062/672,193 = 672,193/x
  3. Step 3: Cross multiply
    312,062x = 672,193 × 672,193
  4. Step 4: Simplify right side
    312,062x = 451,843,429,249
  5. Step 5: Solve for x
    x = 451,843,429,249/312,062
  6. Step 6: Final answer
    x = 1,447,928.39

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.