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Finding the Third Proportional to 18,313,809 and 38,134,755

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Solution

The third proportional to 18,313,809 and 38,134,755 is: 79,407,814.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,313,809 : 38,134,755 = 38,134,755 : x
  2. Step 2: Convert to fraction form
    18,313,809/38,134,755 = 38,134,755/x
  3. Step 3: Cross multiply
    18,313,809x = 38,134,755 × 38,134,755
  4. Step 4: Simplify right side
    18,313,809x = 1,454,259,538,910,025
  5. Step 5: Solve for x
    x = 1,454,259,538,910,025/18,313,809
  6. Step 6: Final answer
    x = 79,407,814.01

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.