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Finding the Third Proportional to 14.71 and 30.38

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Solution

The third proportional to 14.71 and 30.38 is: 62.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    14.71 : 30.38 = 30.38 : x
  2. Step 2: Convert to fraction form
    14.71/30.38 = 30.38/x
  3. Step 3: Cross multiply
    14.71x = 30.38 × 30.38
  4. Step 4: Simplify right side
    14.71x = 922.64
  5. Step 5: Solve for x
    x = 922.64/14.71
  6. Step 6: Final answer
    x = 62.71

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Why These Related Problems?

These problems maintain the same ratio (2.06) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.