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Finding the Third Proportional to 4.08 and 5.98

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Solution

The third proportional to 4.08 and 5.98 is: 8.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4.08 : 5.98 = 5.98 : x
  2. Step 2: Convert to fraction form
    4.08/5.98 = 5.98/x
  3. Step 3: Cross multiply
    4.08x = 5.98 × 5.98
  4. Step 4: Simplify right side
    4.08x = 35.72
  5. Step 5: Solve for x
    x = 35.72/4.08
  6. Step 6: Final answer
    x = 8.76

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.