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Finding the Third Proportional to 39,966.75 and 92,279.25

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Solution

The third proportional to 39,966.75 and 92,279.25 is: 213,063.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,966.75 : 92,279.25 = 92,279.25 : x
  2. Step 2: Convert to fraction form
    39,966.75/92,279.25 = 92,279.25/x
  3. Step 3: Cross multiply
    39,966.75x = 92,279.25 × 92,279.25
  4. Step 4: Simplify right side
    39,966.75x = 8,515,459,980.56
  5. Step 5: Solve for x
    x = 8,515,459,980.56/39,966.75
  6. Step 6: Final answer
    x = 213,063.61

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Why These Related Problems?

These problems maintain the same ratio (2.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.