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Finding the Third Proportional to 6,388,956 and 13,956,948

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Solution

The third proportional to 6,388,956 and 13,956,948 is: 30,489,550.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,388,956 : 13,956,948 = 13,956,948 : x
  2. Step 2: Convert to fraction form
    6,388,956/13,956,948 = 13,956,948/x
  3. Step 3: Cross multiply
    6,388,956x = 13,956,948 × 13,956,948
  4. Step 4: Simplify right side
    6,388,956x = 194,796,397,474,704
  5. Step 5: Solve for x
    x = 194,796,397,474,704/6,388,956
  6. Step 6: Final answer
    x = 30,489,550.64

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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.