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Finding the Third Proportional to 373,869 and 815,408.44

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Solution

The third proportional to 373,869 and 815,408.44 is: 1,778,406.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,869 : 815,408.44 = 815,408.44 : x
  2. Step 2: Convert to fraction form
    373,869/815,408.44 = 815,408.44/x
  3. Step 3: Cross multiply
    373,869x = 815,408.44 × 815,408.44
  4. Step 4: Simplify right side
    373,869x = 664,890,919,946.19
  5. Step 5: Solve for x
    x = 664,890,919,946.19/373,869
  6. Step 6: Final answer
    x = 1,778,406.13

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.