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Finding the Third Proportional to 75,893.50 and 113,225

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Solution

The third proportional to 75,893.50 and 113,225 is: 168,919.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,893.50 : 113,225 = 113,225 : x
  2. Step 2: Convert to fraction form
    75,893.50/113,225 = 113,225/x
  3. Step 3: Cross multiply
    75,893.50x = 113,225 × 113,225
  4. Step 4: Simplify right side
    75,893.50x = 12,819,900,625
  5. Step 5: Solve for x
    x = 12,819,900,625/75,893.50
  6. Step 6: Final answer
    x = 168,919.61

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.