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Finding the Third Proportional to 18,555,481 and 38,383,796

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Solution

The third proportional to 18,555,481 and 38,383,796 is: 79,400,571.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,555,481 : 38,383,796 = 38,383,796 : x
  2. Step 2: Convert to fraction form
    18,555,481/38,383,796 = 38,383,796/x
  3. Step 3: Cross multiply
    18,555,481x = 38,383,796 × 38,383,796
  4. Step 4: Simplify right side
    18,555,481x = 1,473,315,795,369,616
  5. Step 5: Solve for x
    x = 1,473,315,795,369,616/18,555,481
  6. Step 6: Final answer
    x = 79,400,571.47

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.