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Finding the Third Proportional to 6.76 and 14.81

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Solution

The third proportional to 6.76 and 14.81 is: 32.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6.76 : 14.81 = 14.81 : x
  2. Step 2: Convert to fraction form
    6.76/14.81 = 14.81/x
  3. Step 3: Cross multiply
    6.76x = 14.81 × 14.81
  4. Step 4: Simplify right side
    6.76x = 219.32
  5. Step 5: Solve for x
    x = 219.32/6.76
  6. Step 6: Final answer
    x = 32.45

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.