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Finding the Third Proportional to 8,378,023,108 and 12,494,381,428

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Solution

The third proportional to 8,378,023,108 and 12,494,381,428 is: 18,633,222,331.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,378,023,108 : 12,494,381,428 = 12,494,381,428 : x
  2. Step 2: Convert to fraction form
    8,378,023,108/12,494,381,428 = 12,494,381,428/x
  3. Step 3: Cross multiply
    8,378,023,108x = 12,494,381,428 × 12,494,381,428
  4. Step 4: Simplify right side
    8,378,023,108x = 156,109,567,268,351,311,872
  5. Step 5: Solve for x
    x = 156,109,567,268,351,311,872/8,378,023,108
  6. Step 6: Final answer
    x = 18,633,222,331.33

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.