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Finding the Third Proportional to 168,885 and 361,368

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Solution

The third proportional to 168,885 and 361,368 is: 773,229.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,885 : 361,368 = 361,368 : x
  2. Step 2: Convert to fraction form
    168,885/361,368 = 361,368/x
  3. Step 3: Cross multiply
    168,885x = 361,368 × 361,368
  4. Step 4: Simplify right side
    168,885x = 130,586,831,424
  5. Step 5: Solve for x
    x = 130,586,831,424/168,885
  6. Step 6: Final answer
    x = 773,229.31

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.