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Finding the Third Proportional to 18,689,850 and 27,325,215

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Solution

The third proportional to 18,689,850 and 27,325,215 is: 39,950,420.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,689,850 : 27,325,215 = 27,325,215 : x
  2. Step 2: Convert to fraction form
    18,689,850/27,325,215 = 27,325,215/x
  3. Step 3: Cross multiply
    18,689,850x = 27,325,215 × 27,325,215
  4. Step 4: Simplify right side
    18,689,850x = 746,667,374,796,225
  5. Step 5: Solve for x
    x = 746,667,374,796,225/18,689,850
  6. Step 6: Final answer
    x = 39,950,420.94

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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.