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Finding the Third Proportional to 18,555,561 and 38,383,956

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Solution

The third proportional to 18,555,561 and 38,383,956 is: 79,400,891.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,555,561 : 38,383,956 = 38,383,956 : x
  2. Step 2: Convert to fraction form
    18,555,561/38,383,956 = 38,383,956/x
  3. Step 3: Cross multiply
    18,555,561x = 38,383,956 × 38,383,956
  4. Step 4: Simplify right side
    18,555,561x = 1,473,328,078,209,936
  5. Step 5: Solve for x
    x = 1,473,328,078,209,936/18,555,561
  6. Step 6: Final answer
    x = 79,400,891.10

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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.