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Finding the Third Proportional to 131,584 and 276,917

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Solution

The third proportional to 131,584 and 276,917 is: 582,768.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,584 : 276,917 = 276,917 : x
  2. Step 2: Convert to fraction form
    131,584/276,917 = 276,917/x
  3. Step 3: Cross multiply
    131,584x = 276,917 × 276,917
  4. Step 4: Simplify right side
    131,584x = 76,683,024,889
  5. Step 5: Solve for x
    x = 76,683,024,889/131,584
  6. Step 6: Final answer
    x = 582,768.61

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.