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Finding the Third Proportional to 34.25 and 47

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Solution

The third proportional to 34.25 and 47 is: 64.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    34.25 : 47 = 47 : x
  2. Step 2: Convert to fraction form
    34.25/47 = 47/x
  3. Step 3: Cross multiply
    34.25x = 47 × 47
  4. Step 4: Simplify right side
    34.25x = 2,209
  5. Step 5: Solve for x
    x = 2,209/34.25
  6. Step 6: Final answer
    x = 64.50

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.