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Finding the Third Proportional to 168,081.75 and 364,164.75

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Solution

The third proportional to 168,081.75 and 364,164.75 is: 788,996.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,081.75 : 364,164.75 = 364,164.75 : x
  2. Step 2: Convert to fraction form
    168,081.75/364,164.75 = 364,164.75/x
  3. Step 3: Cross multiply
    168,081.75x = 364,164.75 × 364,164.75
  4. Step 4: Simplify right side
    168,081.75x = 132,615,965,142.56
  5. Step 5: Solve for x
    x = 132,615,965,142.56/168,081.75
  6. Step 6: Final answer
    x = 788,996.81

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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.