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Finding the Third Proportional to 181,842.75 and 395,161.50

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Solution

The third proportional to 181,842.75 and 395,161.50 is: 858,723.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,842.75 : 395,161.50 = 395,161.50 : x
  2. Step 2: Convert to fraction form
    181,842.75/395,161.50 = 395,161.50/x
  3. Step 3: Cross multiply
    181,842.75x = 395,161.50 × 395,161.50
  4. Step 4: Simplify right side
    181,842.75x = 156,152,611,082.25
  5. Step 5: Solve for x
    x = 156,152,611,082.25/181,842.75
  6. Step 6: Final answer
    x = 858,723.33

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.