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Finding the Third Proportional to 39,694 and 54,586

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Solution

The third proportional to 39,694 and 54,586 is: 75,065.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,694 : 54,586 = 54,586 : x
  2. Step 2: Convert to fraction form
    39,694/54,586 = 54,586/x
  3. Step 3: Cross multiply
    39,694x = 54,586 × 54,586
  4. Step 4: Simplify right side
    39,694x = 2,979,631,396
  5. Step 5: Solve for x
    x = 2,979,631,396/39,694
  6. Step 6: Final answer
    x = 75,065.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.