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Finding the Third Proportional to 80,747 and 164,768

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Solution

The third proportional to 80,747 and 164,768 is: 336,216.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,747 : 164,768 = 164,768 : x
  2. Step 2: Convert to fraction form
    80,747/164,768 = 164,768/x
  3. Step 3: Cross multiply
    80,747x = 164,768 × 164,768
  4. Step 4: Simplify right side
    80,747x = 27,148,493,824
  5. Step 5: Solve for x
    x = 27,148,493,824/80,747
  6. Step 6: Final answer
    x = 336,216.75

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Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.