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Finding the Third Proportional to 39,963 and 86,152

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Solution

The third proportional to 39,963 and 86,152 is: 185,725.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,963 : 86,152 = 86,152 : x
  2. Step 2: Convert to fraction form
    39,963/86,152 = 86,152/x
  3. Step 3: Cross multiply
    39,963x = 86,152 × 86,152
  4. Step 4: Simplify right side
    39,963x = 7,422,167,104
  5. Step 5: Solve for x
    x = 7,422,167,104/39,963
  6. Step 6: Final answer
    x = 185,725.97

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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.