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Finding the Third Proportional to 44.16 and 67.36

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Solution

The third proportional to 44.16 and 67.36 is: 102.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    44.16 : 67.36 = 67.36 : x
  2. Step 2: Convert to fraction form
    44.16/67.36 = 67.36/x
  3. Step 3: Cross multiply
    44.16x = 67.36 × 67.36
  4. Step 4: Simplify right side
    44.16x = 4,537.29
  5. Step 5: Solve for x
    x = 4,537.29/44.16
  6. Step 6: Final answer
    x = 102.76

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.