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Finding the Third Proportional to 134.63 and 191.25

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Solution

The third proportional to 134.63 and 191.25 is: 271.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    134.63 : 191.25 = 191.25 : x
  2. Step 2: Convert to fraction form
    134.63/191.25 = 191.25/x
  3. Step 3: Cross multiply
    134.63x = 191.25 × 191.25
  4. Step 4: Simplify right side
    134.63x = 36,576.56
  5. Step 5: Solve for x
    x = 36,576.56/134.63
  6. Step 6: Final answer
    x = 271.69

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Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.