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Finding the Third Proportional to 135,985.50 and 204,099.75

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Solution

The third proportional to 135,985.50 and 204,099.75 is: 306,331.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,985.50 : 204,099.75 = 204,099.75 : x
  2. Step 2: Convert to fraction form
    135,985.50/204,099.75 = 204,099.75/x
  3. Step 3: Cross multiply
    135,985.50x = 204,099.75 × 204,099.75
  4. Step 4: Simplify right side
    135,985.50x = 41,656,707,950.06
  5. Step 5: Solve for x
    x = 41,656,707,950.06/135,985.50
  6. Step 6: Final answer
    x = 306,331.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.