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Finding the Third Proportional to 168,697 and 366,919

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Solution

The third proportional to 168,697 and 366,919 is: 798,055.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,697 : 366,919 = 366,919 : x
  2. Step 2: Convert to fraction form
    168,697/366,919 = 366,919/x
  3. Step 3: Cross multiply
    168,697x = 366,919 × 366,919
  4. Step 4: Simplify right side
    168,697x = 134,629,552,561
  5. Step 5: Solve for x
    x = 134,629,552,561/168,697
  6. Step 6: Final answer
    x = 798,055.40

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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.