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Finding the Third Proportional to 18,366,384 and 40,039,704

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Solution

The third proportional to 18,366,384 and 40,039,704 is: 87,288,706.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,366,384 : 40,039,704 = 40,039,704 : x
  2. Step 2: Convert to fraction form
    18,366,384/40,039,704 = 40,039,704/x
  3. Step 3: Cross multiply
    18,366,384x = 40,039,704 × 40,039,704
  4. Step 4: Simplify right side
    18,366,384x = 1,603,177,896,407,616
  5. Step 5: Solve for x
    x = 1,603,177,896,407,616/18,366,384
  6. Step 6: Final answer
    x = 87,288,706.17

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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.