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Finding the Third Proportional to 40,441 and 82,889

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Solution

The third proportional to 40,441 and 82,889 is: 169,891.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,441 : 82,889 = 82,889 : x
  2. Step 2: Convert to fraction form
    40,441/82,889 = 82,889/x
  3. Step 3: Cross multiply
    40,441x = 82,889 × 82,889
  4. Step 4: Simplify right side
    40,441x = 6,870,586,321
  5. Step 5: Solve for x
    x = 6,870,586,321/40,441
  6. Step 6: Final answer
    x = 169,891.60

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.