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Finding the Third Proportional to 199.34 and 441.39

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Solution

The third proportional to 199.34 and 441.39 is: 977.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    199.34 : 441.39 = 441.39 : x
  2. Step 2: Convert to fraction form
    199.34/441.39 = 441.39/x
  3. Step 3: Cross multiply
    199.34x = 441.39 × 441.39
  4. Step 4: Simplify right side
    199.34x = 194,822.24
  5. Step 5: Solve for x
    x = 194,822.24/199.34
  6. Step 6: Final answer
    x = 977.36

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Why These Related Problems?

These problems maintain the same ratio (2.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.