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Finding the Third Proportional to 171,876 and 369,141

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Solution

The third proportional to 171,876 and 369,141 is: 792,810.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,876 : 369,141 = 369,141 : x
  2. Step 2: Convert to fraction form
    171,876/369,141 = 369,141/x
  3. Step 3: Cross multiply
    171,876x = 369,141 × 369,141
  4. Step 4: Simplify right side
    171,876x = 136,265,077,881
  5. Step 5: Solve for x
    x = 136,265,077,881/171,876
  6. Step 6: Final answer
    x = 792,810.39

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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.