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Finding the Third Proportional to 16.59 and 23.72

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Solution

The third proportional to 16.59 and 23.72 is: 33.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    16.59 : 23.72 = 23.72 : x
  2. Step 2: Convert to fraction form
    16.59/23.72 = 23.72/x
  3. Step 3: Cross multiply
    16.59x = 23.72 × 23.72
  4. Step 4: Simplify right side
    16.59x = 562.58
  5. Step 5: Solve for x
    x = 562.58/16.59
  6. Step 6: Final answer
    x = 33.90

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.