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Finding the Third Proportional to 151,890 and 327,138

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Solution

The third proportional to 151,890 and 327,138 is: 704,584.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,890 : 327,138 = 327,138 : x
  2. Step 2: Convert to fraction form
    151,890/327,138 = 327,138/x
  3. Step 3: Cross multiply
    151,890x = 327,138 × 327,138
  4. Step 4: Simplify right side
    151,890x = 107,019,271,044
  5. Step 5: Solve for x
    x = 107,019,271,044/151,890
  6. Step 6: Final answer
    x = 704,584.05

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.