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Finding the Third Proportional to 18,689,840 and 27,325,199

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Solution

The third proportional to 18,689,840 and 27,325,199 is: 39,950,395.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,689,840 : 27,325,199 = 27,325,199 : x
  2. Step 2: Convert to fraction form
    18,689,840/27,325,199 = 27,325,199/x
  3. Step 3: Cross multiply
    18,689,840x = 27,325,199 × 27,325,199
  4. Step 4: Simplify right side
    18,689,840x = 746,666,500,389,601
  5. Step 5: Solve for x
    x = 746,666,500,389,601/18,689,840
  6. Step 6: Final answer
    x = 39,950,395.53

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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.