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Finding the Third Proportional to 151,208 and 330,086

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Solution

The third proportional to 151,208 and 330,086 is: 720,575.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,208 : 330,086 = 330,086 : x
  2. Step 2: Convert to fraction form
    151,208/330,086 = 330,086/x
  3. Step 3: Cross multiply
    151,208x = 330,086 × 330,086
  4. Step 4: Simplify right side
    151,208x = 108,956,767,396
  5. Step 5: Solve for x
    x = 108,956,767,396/151,208
  6. Step 6: Final answer
    x = 720,575.42

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.