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Finding the Third Proportional to 151,405 and 328,568

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Solution

The third proportional to 151,405 and 328,568 is: 713,034.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,405 : 328,568 = 328,568 : x
  2. Step 2: Convert to fraction form
    151,405/328,568 = 328,568/x
  3. Step 3: Cross multiply
    151,405x = 328,568 × 328,568
  4. Step 4: Simplify right side
    151,405x = 107,956,930,624
  5. Step 5: Solve for x
    x = 107,956,930,624/151,405
  6. Step 6: Final answer
    x = 713,034.12

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.