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Finding the Third Proportional to 179,467.31 and 391,535.44

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Solution

The third proportional to 179,467.31 and 391,535.44 is: 854,194.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,467.31 : 391,535.44 = 391,535.44 : x
  2. Step 2: Convert to fraction form
    179,467.31/391,535.44 = 391,535.44/x
  3. Step 3: Cross multiply
    179,467.31x = 391,535.44 × 391,535.44
  4. Step 4: Simplify right side
    179,467.31x = 153,299,998,818.32
  5. Step 5: Solve for x
    x = 153,299,998,818.32/179,467.31
  6. Step 6: Final answer
    x = 854,194.54

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.