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Finding the Third Proportional to 168,530 and 370,954

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Solution

The third proportional to 168,530 and 370,954 is: 816,512.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,530 : 370,954 = 370,954 : x
  2. Step 2: Convert to fraction form
    168,530/370,954 = 370,954/x
  3. Step 3: Cross multiply
    168,530x = 370,954 × 370,954
  4. Step 4: Simplify right side
    168,530x = 137,606,870,116
  5. Step 5: Solve for x
    x = 137,606,870,116/168,530
  6. Step 6: Final answer
    x = 816,512.61

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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.