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Finding the Third Proportional to 178,174.13 and 384,198.75

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Solution

The third proportional to 178,174.13 and 384,198.75 is: 828,451.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,174.13 : 384,198.75 = 384,198.75 : x
  2. Step 2: Convert to fraction form
    178,174.13/384,198.75 = 384,198.75/x
  3. Step 3: Cross multiply
    178,174.13x = 384,198.75 × 384,198.75
  4. Step 4: Simplify right side
    178,174.13x = 147,608,679,501.56
  5. Step 5: Solve for x
    x = 147,608,679,501.56/178,174.13
  6. Step 6: Final answer
    x = 828,451.83

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.