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Finding the Third Proportional to 38,694.75 and 57,864

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Solution

The third proportional to 38,694.75 and 57,864 is: 86,529.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,694.75 : 57,864 = 57,864 : x
  2. Step 2: Convert to fraction form
    38,694.75/57,864 = 57,864/x
  3. Step 3: Cross multiply
    38,694.75x = 57,864 × 57,864
  4. Step 4: Simplify right side
    38,694.75x = 3,348,242,496
  5. Step 5: Solve for x
    x = 3,348,242,496/38,694.75
  6. Step 6: Final answer
    x = 86,529.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.