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Finding the Third Proportional to 101.63 and 136.69

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Solution

The third proportional to 101.63 and 136.69 is: 183.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    101.63 : 136.69 = 136.69 : x
  2. Step 2: Convert to fraction form
    101.63/136.69 = 136.69/x
  3. Step 3: Cross multiply
    101.63x = 136.69 × 136.69
  4. Step 4: Simplify right side
    101.63x = 18,683.47
  5. Step 5: Solve for x
    x = 18,683.47/101.63
  6. Step 6: Final answer
    x = 183.85

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.