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Finding the Third Proportional to 18,538,879 and 27,144,657

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Solution

The third proportional to 18,538,879 and 27,144,657 is: 39,745,251.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,538,879 : 27,144,657 = 27,144,657 : x
  2. Step 2: Convert to fraction form
    18,538,879/27,144,657 = 27,144,657/x
  3. Step 3: Cross multiply
    18,538,879x = 27,144,657 × 27,144,657
  4. Step 4: Simplify right side
    18,538,879x = 736,832,403,647,649
  5. Step 5: Solve for x
    x = 736,832,403,647,649/18,538,879
  6. Step 6: Final answer
    x = 39,745,251.24

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.