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Finding the Third Proportional to 39,285 and 84,795

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Solution

The third proportional to 39,285 and 84,795 is: 183,026.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,285 : 84,795 = 84,795 : x
  2. Step 2: Convert to fraction form
    39,285/84,795 = 84,795/x
  3. Step 3: Cross multiply
    39,285x = 84,795 × 84,795
  4. Step 4: Simplify right side
    39,285x = 7,190,192,025
  5. Step 5: Solve for x
    x = 7,190,192,025/39,285
  6. Step 6: Final answer
    x = 183,026.40

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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.