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Finding the Third Proportional to 82,474 and 183,836

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Solution

The third proportional to 82,474 and 183,836 is: 409,773.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,474 : 183,836 = 183,836 : x
  2. Step 2: Convert to fraction form
    82,474/183,836 = 183,836/x
  3. Step 3: Cross multiply
    82,474x = 183,836 × 183,836
  4. Step 4: Simplify right side
    82,474x = 33,795,674,896
  5. Step 5: Solve for x
    x = 33,795,674,896/82,474
  6. Step 6: Final answer
    x = 409,773.68

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Why These Related Problems?

These problems maintain the same ratio (2.23) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.