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Finding the Third Proportional to 131,211,876 and 281,895,948

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Solution

The third proportional to 131,211,876 and 281,895,948 is: 605,626,014.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,211,876 : 281,895,948 = 281,895,948 : x
  2. Step 2: Convert to fraction form
    131,211,876/281,895,948 = 281,895,948/x
  3. Step 3: Cross multiply
    131,211,876x = 281,895,948 × 281,895,948
  4. Step 4: Simplify right side
    131,211,876x = 79,465,325,498,818,704
  5. Step 5: Solve for x
    x = 79,465,325,498,818,704/131,211,876
  6. Step 6: Final answer
    x = 605,626,014.36

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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.