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Finding the Third Proportional to 19,966 and 43,669

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Solution

The third proportional to 19,966 and 43,669 is: 95,511.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,966 : 43,669 = 43,669 : x
  2. Step 2: Convert to fraction form
    19,966/43,669 = 43,669/x
  3. Step 3: Cross multiply
    19,966x = 43,669 × 43,669
  4. Step 4: Simplify right side
    19,966x = 1,906,981,561
  5. Step 5: Solve for x
    x = 1,906,981,561/19,966
  6. Step 6: Final answer
    x = 95,511.45

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.