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Finding the Third Proportional to 63.13 and 136.94

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Solution

The third proportional to 63.13 and 136.94 is: 297.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    63.13 : 136.94 = 136.94 : x
  2. Step 2: Convert to fraction form
    63.13/136.94 = 136.94/x
  3. Step 3: Cross multiply
    63.13x = 136.94 × 136.94
  4. Step 4: Simplify right side
    63.13x = 18,751.88
  5. Step 5: Solve for x
    x = 18,751.88/63.13
  6. Step 6: Final answer
    x = 297.06

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.