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Finding the Third Proportional to 299.50 and 443

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Solution

The third proportional to 299.50 and 443 is: 655.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    299.50 : 443 = 443 : x
  2. Step 2: Convert to fraction form
    299.50/443 = 443/x
  3. Step 3: Cross multiply
    299.50x = 443 × 443
  4. Step 4: Simplify right side
    299.50x = 196,249
  5. Step 5: Solve for x
    x = 196,249/299.50
  6. Step 6: Final answer
    x = 655.26

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.