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Finding the Third Proportional to 47.63 and 54.38

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Solution

The third proportional to 47.63 and 54.38 is: 62.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    47.63 : 54.38 = 54.38 : x
  2. Step 2: Convert to fraction form
    47.63/54.38 = 54.38/x
  3. Step 3: Cross multiply
    47.63x = 54.38 × 54.38
  4. Step 4: Simplify right side
    47.63x = 2,956.64
  5. Step 5: Solve for x
    x = 2,956.64/47.63
  6. Step 6: Final answer
    x = 62.08

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Why These Related Problems?

These problems maintain the same ratio (1.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.