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Finding the Third Proportional to 16.13 and 35.16

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Solution

The third proportional to 16.13 and 35.16 is: 76.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    16.13 : 35.16 = 35.16 : x
  2. Step 2: Convert to fraction form
    16.13/35.16 = 35.16/x
  3. Step 3: Cross multiply
    16.13x = 35.16 × 35.16
  4. Step 4: Simplify right side
    16.13x = 1,235.96
  5. Step 5: Solve for x
    x = 1,235.96/16.13
  6. Step 6: Final answer
    x = 76.65

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.