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Finding the Third Proportional to 28,015 and 60,277

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Solution

The third proportional to 28,015 and 60,277 is: 129,691.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,015 : 60,277 = 60,277 : x
  2. Step 2: Convert to fraction form
    28,015/60,277 = 60,277/x
  3. Step 3: Cross multiply
    28,015x = 60,277 × 60,277
  4. Step 4: Simplify right side
    28,015x = 3,633,316,729
  5. Step 5: Solve for x
    x = 3,633,316,729/28,015
  6. Step 6: Final answer
    x = 129,691.83

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.