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Finding the Third Proportional to 23.46 and 51.47

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Solution

The third proportional to 23.46 and 51.47 is: 112.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    23.46 : 51.47 = 51.47 : x
  2. Step 2: Convert to fraction form
    23.46/51.47 = 51.47/x
  3. Step 3: Cross multiply
    23.46x = 51.47 × 51.47
  4. Step 4: Simplify right side
    23.46x = 2,649.47
  5. Step 5: Solve for x
    x = 2,649.47/23.46
  6. Step 6: Final answer
    x = 112.95

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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.