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Finding the Third Proportional to 135,619.50 and 200,664.75

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Solution

The third proportional to 135,619.50 and 200,664.75 is: 296,906.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,619.50 : 200,664.75 = 200,664.75 : x
  2. Step 2: Convert to fraction form
    135,619.50/200,664.75 = 200,664.75/x
  3. Step 3: Cross multiply
    135,619.50x = 200,664.75 × 200,664.75
  4. Step 4: Simplify right side
    135,619.50x = 40,266,341,892.56
  5. Step 5: Solve for x
    x = 40,266,341,892.56/135,619.50
  6. Step 6: Final answer
    x = 296,906.73

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.