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Finding the Third Proportional to 80,656 and 164,080

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Solution

The third proportional to 80,656 and 164,080 is: 333,790.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,656 : 164,080 = 164,080 : x
  2. Step 2: Convert to fraction form
    80,656/164,080 = 164,080/x
  3. Step 3: Cross multiply
    80,656x = 164,080 × 164,080
  4. Step 4: Simplify right side
    80,656x = 26,922,246,400
  5. Step 5: Solve for x
    x = 26,922,246,400/80,656
  6. Step 6: Final answer
    x = 333,790.99

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Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.