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Finding the Third Proportional to 46.69 and 76.92

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Solution

The third proportional to 46.69 and 76.92 is: 126.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    46.69 : 76.92 = 76.92 : x
  2. Step 2: Convert to fraction form
    46.69/76.92 = 76.92/x
  3. Step 3: Cross multiply
    46.69x = 76.92 × 76.92
  4. Step 4: Simplify right side
    46.69x = 5,916.97
  5. Step 5: Solve for x
    x = 5,916.97/46.69
  6. Step 6: Final answer
    x = 126.74

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Why These Related Problems?

These problems maintain the same ratio (1.65) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.