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Finding the Third Proportional to 107,864 and 166,844

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Solution

The third proportional to 107,864 and 166,844 is: 258,074.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,864 : 166,844 = 166,844 : x
  2. Step 2: Convert to fraction form
    107,864/166,844 = 166,844/x
  3. Step 3: Cross multiply
    107,864x = 166,844 × 166,844
  4. Step 4: Simplify right side
    107,864x = 27,836,920,336
  5. Step 5: Solve for x
    x = 27,836,920,336/107,864
  6. Step 6: Final answer
    x = 258,074.24

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.