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Finding the Third Proportional to 32.38 and 47.38

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Solution

The third proportional to 32.38 and 47.38 is: 69.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    32.38 : 47.38 = 47.38 : x
  2. Step 2: Convert to fraction form
    32.38/47.38 = 47.38/x
  3. Step 3: Cross multiply
    32.38x = 47.38 × 47.38
  4. Step 4: Simplify right side
    32.38x = 2,244.39
  5. Step 5: Solve for x
    x = 2,244.39/32.38
  6. Step 6: Final answer
    x = 69.32

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.