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Finding the Third Proportional to 168,724 and 366,971

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Solution

The third proportional to 168,724 and 366,971 is: 798,153.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,724 : 366,971 = 366,971 : x
  2. Step 2: Convert to fraction form
    168,724/366,971 = 366,971/x
  3. Step 3: Cross multiply
    168,724x = 366,971 × 366,971
  4. Step 4: Simplify right side
    168,724x = 134,667,714,841
  5. Step 5: Solve for x
    x = 134,667,714,841/168,724
  6. Step 6: Final answer
    x = 798,153.88

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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.