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Finding the Third Proportional to 81,367.50 and 175,221.75

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Solution

The third proportional to 81,367.50 and 175,221.75 is: 377,333.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,367.50 : 175,221.75 = 175,221.75 : x
  2. Step 2: Convert to fraction form
    81,367.50/175,221.75 = 175,221.75/x
  3. Step 3: Cross multiply
    81,367.50x = 175,221.75 × 175,221.75
  4. Step 4: Simplify right side
    81,367.50x = 30,702,661,673.06
  5. Step 5: Solve for x
    x = 30,702,661,673.06/81,367.50
  6. Step 6: Final answer
    x = 377,333.23

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.