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Finding the Third Proportional to 163,512 and 361,962

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Solution

The third proportional to 163,512 and 361,962 is: 801,265.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,512 : 361,962 = 361,962 : x
  2. Step 2: Convert to fraction form
    163,512/361,962 = 361,962/x
  3. Step 3: Cross multiply
    163,512x = 361,962 × 361,962
  4. Step 4: Simplify right side
    163,512x = 131,016,489,444
  5. Step 5: Solve for x
    x = 131,016,489,444/163,512
  6. Step 6: Final answer
    x = 801,265.29

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Why These Related Problems?

These problems maintain the same ratio (2.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.