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Finding the Third Proportional to 46.75 and 54.75

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Solution

The third proportional to 46.75 and 54.75 is: 64.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    46.75 : 54.75 = 54.75 : x
  2. Step 2: Convert to fraction form
    46.75/54.75 = 54.75/x
  3. Step 3: Cross multiply
    46.75x = 54.75 × 54.75
  4. Step 4: Simplify right side
    46.75x = 2,997.56
  5. Step 5: Solve for x
    x = 2,997.56/46.75
  6. Step 6: Final answer
    x = 64.12

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Why These Related Problems?

These problems maintain the same ratio (1.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.