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Finding the Third Proportional to 3,393,870 and 7,318,817

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Solution

The third proportional to 3,393,870 and 7,318,817 is: 15,782,891.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,393,870 : 7,318,817 = 7,318,817 : x
  2. Step 2: Convert to fraction form
    3,393,870/7,318,817 = 7,318,817/x
  3. Step 3: Cross multiply
    3,393,870x = 7,318,817 × 7,318,817
  4. Step 4: Simplify right side
    3,393,870x = 53,565,082,279,489
  5. Step 5: Solve for x
    x = 53,565,082,279,489/3,393,870
  6. Step 6: Final answer
    x = 15,782,891.59

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.