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Finding the Third Proportional to 28,976 and 62,285

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Solution

The third proportional to 28,976 and 62,285 is: 133,883.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,976 : 62,285 = 62,285 : x
  2. Step 2: Convert to fraction form
    28,976/62,285 = 62,285/x
  3. Step 3: Cross multiply
    28,976x = 62,285 × 62,285
  4. Step 4: Simplify right side
    28,976x = 3,879,421,225
  5. Step 5: Solve for x
    x = 3,879,421,225/28,976
  6. Step 6: Final answer
    x = 133,883.95

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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.