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Finding the Third Proportional to 51,736 and 82,661

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Solution

The third proportional to 51,736 and 82,661 is: 132,071.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,736 : 82,661 = 82,661 : x
  2. Step 2: Convert to fraction form
    51,736/82,661 = 82,661/x
  3. Step 3: Cross multiply
    51,736x = 82,661 × 82,661
  4. Step 4: Simplify right side
    51,736x = 6,832,840,921
  5. Step 5: Solve for x
    x = 6,832,840,921/51,736
  6. Step 6: Final answer
    x = 132,071.30

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Why These Related Problems?

These problems maintain the same ratio (1.60) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.