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Finding the Third Proportional to 134.06 and 155.06

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Solution

The third proportional to 134.06 and 155.06 is: 179.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    134.06 : 155.06 = 155.06 : x
  2. Step 2: Convert to fraction form
    134.06/155.06 = 155.06/x
  3. Step 3: Cross multiply
    134.06x = 155.06 × 155.06
  4. Step 4: Simplify right side
    134.06x = 24,044.38
  5. Step 5: Solve for x
    x = 24,044.38/134.06
  6. Step 6: Final answer
    x = 179.35

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Why These Related Problems?

These problems maintain the same ratio (1.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.