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Finding the Third Proportional to 28,236 and 60,225

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Solution

The third proportional to 28,236 and 60,225 is: 128,454.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,236 : 60,225 = 60,225 : x
  2. Step 2: Convert to fraction form
    28,236/60,225 = 60,225/x
  3. Step 3: Cross multiply
    28,236x = 60,225 × 60,225
  4. Step 4: Simplify right side
    28,236x = 3,627,050,625
  5. Step 5: Solve for x
    x = 3,627,050,625/28,236
  6. Step 6: Final answer
    x = 128,454.83

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.