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Finding the Third Proportional to 4.97 and 6.68

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Solution

The third proportional to 4.97 and 6.68 is: 8.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4.97 : 6.68 = 6.68 : x
  2. Step 2: Convert to fraction form
    4.97/6.68 = 6.68/x
  3. Step 3: Cross multiply
    4.97x = 6.68 × 6.68
  4. Step 4: Simplify right side
    4.97x = 44.60
  5. Step 5: Solve for x
    x = 44.60/4.97
  6. Step 6: Final answer
    x = 8.98

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Why These Related Problems?

These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.