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Finding the Third Proportional to 196.13 and 266.25

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Solution

The third proportional to 196.13 and 266.25 is: 361.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    196.13 : 266.25 = 266.25 : x
  2. Step 2: Convert to fraction form
    196.13/266.25 = 266.25/x
  3. Step 3: Cross multiply
    196.13x = 266.25 × 266.25
  4. Step 4: Simplify right side
    196.13x = 70,889.06
  5. Step 5: Solve for x
    x = 70,889.06/196.13
  6. Step 6: Final answer
    x = 361.45

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.