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Finding the Third Proportional to 49.12 and 92.64

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Solution

The third proportional to 49.12 and 92.64 is: 174.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    49.12 : 92.64 = 92.64 : x
  2. Step 2: Convert to fraction form
    49.12/92.64 = 92.64/x
  3. Step 3: Cross multiply
    49.12x = 92.64 × 92.64
  4. Step 4: Simplify right side
    49.12x = 8,581.77
  5. Step 5: Solve for x
    x = 8,581.77/49.12
  6. Step 6: Final answer
    x = 174.70

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Why These Related Problems?

These problems maintain the same ratio (1.89) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.