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Finding the Third Proportional to 7.43 and 16.24

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Solution

The third proportional to 7.43 and 16.24 is: 35.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7.43 : 16.24 = 16.24 : x
  2. Step 2: Convert to fraction form
    7.43/16.24 = 16.24/x
  3. Step 3: Cross multiply
    7.43x = 16.24 × 16.24
  4. Step 4: Simplify right side
    7.43x = 263.81
  5. Step 5: Solve for x
    x = 263.81/7.43
  6. Step 6: Final answer
    x = 35.51

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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.