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Finding the Third Proportional to 15,651 and 33,819

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Solution

The third proportional to 15,651 and 33,819 is: 73,076.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,651 : 33,819 = 33,819 : x
  2. Step 2: Convert to fraction form
    15,651/33,819 = 33,819/x
  3. Step 3: Cross multiply
    15,651x = 33,819 × 33,819
  4. Step 4: Simplify right side
    15,651x = 1,143,724,761
  5. Step 5: Solve for x
    x = 1,143,724,761/15,651
  6. Step 6: Final answer
    x = 73,076.78

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.