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Finding the Third Proportional to 37,424 and 80,392

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Solution

The third proportional to 37,424 and 80,392 is: 172,693.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,424 : 80,392 = 80,392 : x
  2. Step 2: Convert to fraction form
    37,424/80,392 = 80,392/x
  3. Step 3: Cross multiply
    37,424x = 80,392 × 80,392
  4. Step 4: Simplify right side
    37,424x = 6,462,873,664
  5. Step 5: Solve for x
    x = 6,462,873,664/37,424
  6. Step 6: Final answer
    x = 172,693.29

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.