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Finding the Third Proportional to 6.95 and 12.00

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Solution

The third proportional to 6.95 and 12.00 is: 20.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6.95 : 12.00 = 12.00 : x
  2. Step 2: Convert to fraction form
    6.95/12.00 = 12.00/x
  3. Step 3: Cross multiply
    6.95x = 12.00 × 12.00
  4. Step 4: Simplify right side
    6.95x = 143.97
  5. Step 5: Solve for x
    x = 143.97/6.95
  6. Step 6: Final answer
    x = 20.71

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Why These Related Problems?

These problems maintain the same ratio (1.73) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.