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Finding the Third Proportional to 16.24 and 35.02

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Solution

The third proportional to 16.24 and 35.02 is: 75.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    16.24 : 35.02 = 35.02 : x
  2. Step 2: Convert to fraction form
    16.24/35.02 = 35.02/x
  3. Step 3: Cross multiply
    16.24x = 35.02 × 35.02
  4. Step 4: Simplify right side
    16.24x = 1,226.09
  5. Step 5: Solve for x
    x = 1,226.09/16.24
  6. Step 6: Final answer
    x = 75.49

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.