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Finding the Third Proportional to 361,874 and 771,838

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Solution

The third proportional to 361,874 and 771,838 is: 1,646,246.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,874 : 771,838 = 771,838 : x
  2. Step 2: Convert to fraction form
    361,874/771,838 = 771,838/x
  3. Step 3: Cross multiply
    361,874x = 771,838 × 771,838
  4. Step 4: Simplify right side
    361,874x = 595,733,898,244
  5. Step 5: Solve for x
    x = 595,733,898,244/361,874
  6. Step 6: Final answer
    x = 1,646,246.76

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.