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Finding the Third Proportional to 143,194.50 and 216,600.75

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Solution

The third proportional to 143,194.50 and 216,600.75 is: 327,637.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,194.50 : 216,600.75 = 216,600.75 : x
  2. Step 2: Convert to fraction form
    143,194.50/216,600.75 = 216,600.75/x
  3. Step 3: Cross multiply
    143,194.50x = 216,600.75 × 216,600.75
  4. Step 4: Simplify right side
    143,194.50x = 46,915,884,900.56
  5. Step 5: Solve for x
    x = 46,915,884,900.56/143,194.50
  6. Step 6: Final answer
    x = 327,637.48

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.