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Finding the Third Proportional to 151,916 and 332,422

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Solution

The third proportional to 151,916 and 332,422 is: 727,404.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,916 : 332,422 = 332,422 : x
  2. Step 2: Convert to fraction form
    151,916/332,422 = 332,422/x
  3. Step 3: Cross multiply
    151,916x = 332,422 × 332,422
  4. Step 4: Simplify right side
    151,916x = 110,504,386,084
  5. Step 5: Solve for x
    x = 110,504,386,084/151,916
  6. Step 6: Final answer
    x = 727,404.53

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.