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Finding the Third Proportional to 5.68 and 6.36

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Solution

The third proportional to 5.68 and 6.36 is: 7.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5.68 : 6.36 = 6.36 : x
  2. Step 2: Convert to fraction form
    5.68/6.36 = 6.36/x
  3. Step 3: Cross multiply
    5.68x = 6.36 × 6.36
  4. Step 4: Simplify right side
    5.68x = 40.42
  5. Step 5: Solve for x
    x = 40.42/5.68
  6. Step 6: Final answer
    x = 7.11

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Why These Related Problems?

These problems maintain the same ratio (1.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.