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Finding the Third Proportional to 46.25 and 67.75

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Solution

The third proportional to 46.25 and 67.75 is: 99.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    46.25 : 67.75 = 67.75 : x
  2. Step 2: Convert to fraction form
    46.25/67.75 = 67.75/x
  3. Step 3: Cross multiply
    46.25x = 67.75 × 67.75
  4. Step 4: Simplify right side
    46.25x = 4,590.06
  5. Step 5: Solve for x
    x = 4,590.06/46.25
  6. Step 6: Final answer
    x = 99.24

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.