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Finding the Third Proportional to 134.94 and 147.25

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Solution

The third proportional to 134.94 and 147.25 is: 160.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    134.94 : 147.25 = 147.25 : x
  2. Step 2: Convert to fraction form
    134.94/147.25 = 147.25/x
  3. Step 3: Cross multiply
    134.94x = 147.25 × 147.25
  4. Step 4: Simplify right side
    134.94x = 21,682.56
  5. Step 5: Solve for x
    x = 21,682.56/134.94
  6. Step 6: Final answer
    x = 160.69

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Why These Related Problems?

These problems maintain the same ratio (1.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.