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Finding the Third Proportional to 166,815 and 366,834

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Solution

The third proportional to 166,815 and 366,834 is: 806,685.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,815 : 366,834 = 366,834 : x
  2. Step 2: Convert to fraction form
    166,815/366,834 = 366,834/x
  3. Step 3: Cross multiply
    166,815x = 366,834 × 366,834
  4. Step 4: Simplify right side
    166,815x = 134,567,183,556
  5. Step 5: Solve for x
    x = 134,567,183,556/166,815
  6. Step 6: Final answer
    x = 806,685.15

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.