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Finding the Third Proportional to 168,489 and 366,495.75

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Solution

The third proportional to 168,489 and 366,495.75 is: 797,198.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,489 : 366,495.75 = 366,495.75 : x
  2. Step 2: Convert to fraction form
    168,489/366,495.75 = 366,495.75/x
  3. Step 3: Cross multiply
    168,489x = 366,495.75 × 366,495.75
  4. Step 4: Simplify right side
    168,489x = 134,319,134,768.06
  5. Step 5: Solve for x
    x = 134,319,134,768.06/168,489
  6. Step 6: Final answer
    x = 797,198.24

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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.