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Finding the Third Proportional to 3,960,371,026 and 8,392,910,777

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Solution

The third proportional to 3,960,371,026 and 8,392,910,777 is: 17,786,452,544.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,960,371,026 : 8,392,910,777 = 8,392,910,777 : x
  2. Step 2: Convert to fraction form
    3,960,371,026/8,392,910,777 = 8,392,910,777/x
  3. Step 3: Cross multiply
    3,960,371,026x = 8,392,910,777 × 8,392,910,777
  4. Step 4: Simplify right side
    3,960,371,026x = 70,440,951,310,682,742,784
  5. Step 5: Solve for x
    x = 70,440,951,310,682,742,784/3,960,371,026
  6. Step 6: Final answer
    x = 17,786,452,544.03

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.