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Finding the Third Proportional to 135,723.75 and 295,540.50

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Solution

The third proportional to 135,723.75 and 295,540.50 is: 643,543.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,723.75 : 295,540.50 = 295,540.50 : x
  2. Step 2: Convert to fraction form
    135,723.75/295,540.50 = 295,540.50/x
  3. Step 3: Cross multiply
    135,723.75x = 295,540.50 × 295,540.50
  4. Step 4: Simplify right side
    135,723.75x = 87,344,187,140.25
  5. Step 5: Solve for x
    x = 87,344,187,140.25/135,723.75
  6. Step 6: Final answer
    x = 643,543.87

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.