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Finding the Third Proportional to 512,682 and 1,121,856

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Solution

The third proportional to 512,682 and 1,121,856 is: 2,454,856.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    512,682 : 1,121,856 = 1,121,856 : x
  2. Step 2: Convert to fraction form
    512,682/1,121,856 = 1,121,856/x
  3. Step 3: Cross multiply
    512,682x = 1,121,856 × 1,121,856
  4. Step 4: Simplify right side
    512,682x = 1,258,560,884,736
  5. Step 5: Solve for x
    x = 1,258,560,884,736/512,682
  6. Step 6: Final answer
    x = 2,454,856.78

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.