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Finding the Third Proportional to 196.88 and 294.19

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Solution

The third proportional to 196.88 and 294.19 is: 439.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    196.88 : 294.19 = 294.19 : x
  2. Step 2: Convert to fraction form
    196.88/294.19 = 294.19/x
  3. Step 3: Cross multiply
    196.88x = 294.19 × 294.19
  4. Step 4: Simplify right side
    196.88x = 86,546.29
  5. Step 5: Solve for x
    x = 86,546.29/196.88
  6. Step 6: Final answer
    x = 439.60

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.