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Finding the Third Proportional to 4.88 and 6.93

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Solution

The third proportional to 4.88 and 6.93 is: 9.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4.88 : 6.93 = 6.93 : x
  2. Step 2: Convert to fraction form
    4.88/6.93 = 6.93/x
  3. Step 3: Cross multiply
    4.88x = 6.93 × 6.93
  4. Step 4: Simplify right side
    4.88x = 48.02
  5. Step 5: Solve for x
    x = 48.02/4.88
  6. Step 6: Final answer
    x = 9.85

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Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.