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Finding the Third Proportional to 151,899 and 332,390

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Solution

The third proportional to 151,899 and 332,390 is: 727,345.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,899 : 332,390 = 332,390 : x
  2. Step 2: Convert to fraction form
    151,899/332,390 = 332,390/x
  3. Step 3: Cross multiply
    151,899x = 332,390 × 332,390
  4. Step 4: Simplify right side
    151,899x = 110,483,112,100
  5. Step 5: Solve for x
    x = 110,483,112,100/151,899
  6. Step 6: Final answer
    x = 727,345.88

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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.