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Finding the Third Proportional to 135.84 and 176.44

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Solution

The third proportional to 135.84 and 176.44 is: 229.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    135.84 : 176.44 = 176.44 : x
  2. Step 2: Convert to fraction form
    135.84/176.44 = 176.44/x
  3. Step 3: Cross multiply
    135.84x = 176.44 × 176.44
  4. Step 4: Simplify right side
    135.84x = 31,130.19
  5. Step 5: Solve for x
    x = 31,130.19/135.84
  6. Step 6: Final answer
    x = 229.16

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Why These Related Problems?

These problems maintain the same ratio (1.30) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.