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Finding the Third Proportional to 39,591 and 86,958

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Solution

The third proportional to 39,591 and 86,958 is: 190,995.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,591 : 86,958 = 86,958 : x
  2. Step 2: Convert to fraction form
    39,591/86,958 = 86,958/x
  3. Step 3: Cross multiply
    39,591x = 86,958 × 86,958
  4. Step 4: Simplify right side
    39,591x = 7,561,693,764
  5. Step 5: Solve for x
    x = 7,561,693,764/39,591
  6. Step 6: Final answer
    x = 190,995.27

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.