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Finding the Third Proportional to 213,517.50 and 327,512.25

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Solution

The third proportional to 213,517.50 and 327,512.25 is: 502,367.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,517.50 : 327,512.25 = 327,512.25 : x
  2. Step 2: Convert to fraction form
    213,517.50/327,512.25 = 327,512.25/x
  3. Step 3: Cross multiply
    213,517.50x = 327,512.25 × 327,512.25
  4. Step 4: Simplify right side
    213,517.50x = 107,264,273,900.06
  5. Step 5: Solve for x
    x = 107,264,273,900.06/213,517.50
  6. Step 6: Final answer
    x = 502,367.60

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.