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Finding the Third Proportional to 35.34 and 77.44

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Solution

The third proportional to 35.34 and 77.44 is: 169.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    35.34 : 77.44 = 77.44 : x
  2. Step 2: Convert to fraction form
    35.34/77.44 = 77.44/x
  3. Step 3: Cross multiply
    35.34x = 77.44 × 77.44
  4. Step 4: Simplify right side
    35.34x = 5,996.57
  5. Step 5: Solve for x
    x = 5,996.57/35.34
  6. Step 6: Final answer
    x = 169.66

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.