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Finding the Third Proportional to 5.72 and 14.68

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Solution

The third proportional to 5.72 and 14.68 is: 37.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5.72 : 14.68 = 14.68 : x
  2. Step 2: Convert to fraction form
    5.72/14.68 = 14.68/x
  3. Step 3: Cross multiply
    5.72x = 14.68 × 14.68
  4. Step 4: Simplify right side
    5.72x = 215.40
  5. Step 5: Solve for x
    x = 215.40/5.72
  6. Step 6: Final answer
    x = 37.63

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Why These Related Problems?

These problems maintain the same ratio (2.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.