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Finding the Third Proportional to 151,908 and 332,406

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Solution

The third proportional to 151,908 and 332,406 is: 727,372.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,908 : 332,406 = 332,406 : x
  2. Step 2: Convert to fraction form
    151,908/332,406 = 332,406/x
  3. Step 3: Cross multiply
    151,908x = 332,406 × 332,406
  4. Step 4: Simplify right side
    151,908x = 110,493,748,836
  5. Step 5: Solve for x
    x = 110,493,748,836/151,908
  6. Step 6: Final answer
    x = 727,372.81

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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.