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Finding the Third Proportional to 12,311,866 and 18,398,891

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Solution

The third proportional to 12,311,866 and 18,398,891 is: 27,495,360.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,311,866 : 18,398,891 = 18,398,891 : x
  2. Step 2: Convert to fraction form
    12,311,866/18,398,891 = 18,398,891/x
  3. Step 3: Cross multiply
    12,311,866x = 18,398,891 × 18,398,891
  4. Step 4: Simplify right side
    12,311,866x = 338,519,190,029,881
  5. Step 5: Solve for x
    x = 338,519,190,029,881/12,311,866
  6. Step 6: Final answer
    x = 27,495,360.17

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.