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Finding the Third Proportional to 18,689,876 and 27,325,254

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Solution

The third proportional to 18,689,876 and 27,325,254 is: 39,950,479.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,689,876 : 27,325,254 = 27,325,254 : x
  2. Step 2: Convert to fraction form
    18,689,876/27,325,254 = 27,325,254/x
  3. Step 3: Cross multiply
    18,689,876x = 27,325,254 × 27,325,254
  4. Step 4: Simplify right side
    18,689,876x = 746,669,506,164,516
  5. Step 5: Solve for x
    x = 746,669,506,164,516/18,689,876
  6. Step 6: Final answer
    x = 39,950,479.40

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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.