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Finding the Third Proportional to 3,147,876 and 6,777,364.50

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Solution

The third proportional to 3,147,876 and 6,777,364.50 is: 14,591,638.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,147,876 : 6,777,364.50 = 6,777,364.50 : x
  2. Step 2: Convert to fraction form
    3,147,876/6,777,364.50 = 6,777,364.50/x
  3. Step 3: Cross multiply
    3,147,876x = 6,777,364.50 × 6,777,364.50
  4. Step 4: Simplify right side
    3,147,876x = 45,932,669,565,860.25
  5. Step 5: Solve for x
    x = 45,932,669,565,860.25/3,147,876
  6. Step 6: Final answer
    x = 14,591,638.80

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.