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Finding the Third Proportional to 35.44 and 67.13

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Solution

The third proportional to 35.44 and 67.13 is: 127.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    35.44 : 67.13 = 67.13 : x
  2. Step 2: Convert to fraction form
    35.44/67.13 = 67.13/x
  3. Step 3: Cross multiply
    35.44x = 67.13 × 67.13
  4. Step 4: Simplify right side
    35.44x = 4,506.55
  5. Step 5: Solve for x
    x = 4,506.55/35.44
  6. Step 6: Final answer
    x = 127.17

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Why These Related Problems?

These problems maintain the same ratio (1.89) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.