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Finding the Third Proportional to 191.38 and 443

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Solution

The third proportional to 191.38 and 443 is: 1,025.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    191.38 : 443 = 443 : x
  2. Step 2: Convert to fraction form
    191.38/443 = 443/x
  3. Step 3: Cross multiply
    191.38x = 443 × 443
  4. Step 4: Simplify right side
    191.38x = 196,249
  5. Step 5: Solve for x
    x = 196,249/191.38
  6. Step 6: Final answer
    x = 1,025.47

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Why These Related Problems?

These problems maintain the same ratio (2.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.