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Finding the Third Proportional to 134.06 and 153.75

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Solution

The third proportional to 134.06 and 153.75 is: 176.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    134.06 : 153.75 = 153.75 : x
  2. Step 2: Convert to fraction form
    134.06/153.75 = 153.75/x
  3. Step 3: Cross multiply
    134.06x = 153.75 × 153.75
  4. Step 4: Simplify right side
    134.06x = 23,639.06
  5. Step 5: Solve for x
    x = 23,639.06/134.06
  6. Step 6: Final answer
    x = 176.33

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Why These Related Problems?

These problems maintain the same ratio (1.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.