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Finding the Third Proportional to 168,808 and 263,580

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Solution

The third proportional to 168,808 and 263,580 is: 411,558.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,808 : 263,580 = 263,580 : x
  2. Step 2: Convert to fraction form
    168,808/263,580 = 263,580/x
  3. Step 3: Cross multiply
    168,808x = 263,580 × 263,580
  4. Step 4: Simplify right side
    168,808x = 69,474,416,400
  5. Step 5: Solve for x
    x = 69,474,416,400/168,808
  6. Step 6: Final answer
    x = 411,558.79

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.