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Finding the Third Proportional to 14.71 and 35.12

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Solution

The third proportional to 14.71 and 35.12 is: 83.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    14.71 : 35.12 = 35.12 : x
  2. Step 2: Convert to fraction form
    14.71/35.12 = 35.12/x
  3. Step 3: Cross multiply
    14.71x = 35.12 × 35.12
  4. Step 4: Simplify right side
    14.71x = 1,233.49
  5. Step 5: Solve for x
    x = 1,233.49/14.71
  6. Step 6: Final answer
    x = 83.84

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Why These Related Problems?

These problems maintain the same ratio (2.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.