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Finding the Third Proportional to 0.47 and 4.73

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Solution

The third proportional to 0.47 and 4.73 is: 47.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    0.47 : 4.73 = 4.73 : x
  2. Step 2: Convert to fraction form
    0.47/4.73 = 4.73/x
  3. Step 3: Cross multiply
    0.47x = 4.73 × 4.73
  4. Step 4: Simplify right side
    0.47x = 22.41
  5. Step 5: Solve for x
    x = 22.41/0.47
  6. Step 6: Final answer
    x = 47.82

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Why These Related Problems?

These problems maintain the same ratio (10.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.