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Finding the Third Proportional to 12,839,079 and 19,944,207

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Solution

The third proportional to 12,839,079 and 19,944,207 is: 30,981,302.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,839,079 : 19,944,207 = 19,944,207 : x
  2. Step 2: Convert to fraction form
    12,839,079/19,944,207 = 19,944,207/x
  3. Step 3: Cross multiply
    12,839,079x = 19,944,207 × 19,944,207
  4. Step 4: Simplify right side
    12,839,079x = 397,771,392,858,849
  5. Step 5: Solve for x
    x = 397,771,392,858,849/12,839,079
  6. Step 6: Final answer
    x = 30,981,302.70

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.