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Finding the Third Proportional to 373,540 and 863,866

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Solution

The third proportional to 373,540 and 863,866 is: 1,997,816.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,540 : 863,866 = 863,866 : x
  2. Step 2: Convert to fraction form
    373,540/863,866 = 863,866/x
  3. Step 3: Cross multiply
    373,540x = 863,866 × 863,866
  4. Step 4: Simplify right side
    373,540x = 746,264,465,956
  5. Step 5: Solve for x
    x = 746,264,465,956/373,540
  6. Step 6: Final answer
    x = 1,997,816.74

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Why These Related Problems?

These problems maintain the same ratio (2.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.