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Finding the Third Proportional to 18,555,586 and 38,384,003

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Solution

The third proportional to 18,555,586 and 38,384,003 is: 79,400,978.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,555,586 : 38,384,003 = 38,384,003 : x
  2. Step 2: Convert to fraction form
    18,555,586/38,384,003 = 38,384,003/x
  3. Step 3: Cross multiply
    18,555,586x = 38,384,003 × 38,384,003
  4. Step 4: Simplify right side
    18,555,586x = 1,473,331,686,304,009
  5. Step 5: Solve for x
    x = 1,473,331,686,304,009/18,555,586
  6. Step 6: Final answer
    x = 79,400,978.57

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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.