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Finding the Third Proportional to 446 and 667.75

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Solution

The third proportional to 446 and 667.75 is: 999.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    446 : 667.75 = 667.75 : x
  2. Step 2: Convert to fraction form
    446/667.75 = 667.75/x
  3. Step 3: Cross multiply
    446x = 667.75 × 667.75
  4. Step 4: Simplify right side
    446x = 445,890.06
  5. Step 5: Solve for x
    x = 445,890.06/446
  6. Step 6: Final answer
    x = 999.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.