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Finding the Third Proportional to 156,941 and 339,954

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Solution

The third proportional to 156,941 and 339,954 is: 736,383.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,941 : 339,954 = 339,954 : x
  2. Step 2: Convert to fraction form
    156,941/339,954 = 339,954/x
  3. Step 3: Cross multiply
    156,941x = 339,954 × 339,954
  4. Step 4: Simplify right side
    156,941x = 115,568,722,116
  5. Step 5: Solve for x
    x = 115,568,722,116/156,941
  6. Step 6: Final answer
    x = 736,383.24

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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.