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Finding the Third Proportional to 2.92 and 6.28

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Solution

The third proportional to 2.92 and 6.28 is: 13.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2.92 : 6.28 = 6.28 : x
  2. Step 2: Convert to fraction form
    2.92/6.28 = 6.28/x
  3. Step 3: Cross multiply
    2.92x = 6.28 × 6.28
  4. Step 4: Simplify right side
    2.92x = 39.50
  5. Step 5: Solve for x
    x = 39.50/2.92
  6. Step 6: Final answer
    x = 13.53

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.