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Finding the Third Proportional to 28,348 and 62,285

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Solution

The third proportional to 28,348 and 62,285 is: 136,849.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,348 : 62,285 = 62,285 : x
  2. Step 2: Convert to fraction form
    28,348/62,285 = 62,285/x
  3. Step 3: Cross multiply
    28,348x = 62,285 × 62,285
  4. Step 4: Simplify right side
    28,348x = 3,879,421,225
  5. Step 5: Solve for x
    x = 3,879,421,225/28,348
  6. Step 6: Final answer
    x = 136,849.91

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.