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Finding the Third Proportional to 678,892 and 1,493,324

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Solution

The third proportional to 678,892 and 1,493,324 is: 3,284,788.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    678,892 : 1,493,324 = 1,493,324 : x
  2. Step 2: Convert to fraction form
    678,892/1,493,324 = 1,493,324/x
  3. Step 3: Cross multiply
    678,892x = 1,493,324 × 1,493,324
  4. Step 4: Simplify right side
    678,892x = 2,230,016,568,976
  5. Step 5: Solve for x
    x = 2,230,016,568,976/678,892
  6. Step 6: Final answer
    x = 3,284,788.40

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.