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Finding the Third Proportional to 166,631 and 360,949

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Solution

The third proportional to 166,631 and 360,949 is: 781,872.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,631 : 360,949 = 360,949 : x
  2. Step 2: Convert to fraction form
    166,631/360,949 = 360,949/x
  3. Step 3: Cross multiply
    166,631x = 360,949 × 360,949
  4. Step 4: Simplify right side
    166,631x = 130,284,180,601
  5. Step 5: Solve for x
    x = 130,284,180,601/166,631
  6. Step 6: Final answer
    x = 781,872.40

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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.