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Finding the Third Proportional to 4.87 and 7.33

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Solution

The third proportional to 4.87 and 7.33 is: 11.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4.87 : 7.33 = 7.33 : x
  2. Step 2: Convert to fraction form
    4.87/7.33 = 7.33/x
  3. Step 3: Cross multiply
    4.87x = 7.33 × 7.33
  4. Step 4: Simplify right side
    4.87x = 53.75
  5. Step 5: Solve for x
    x = 53.75/4.87
  6. Step 6: Final answer
    x = 11.04

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.