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Finding the Third Proportional to 18,987,814 and 29,382,793

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Solution

The third proportional to 18,987,814 and 29,382,793 is: 45,468,558.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,987,814 : 29,382,793 = 29,382,793 : x
  2. Step 2: Convert to fraction form
    18,987,814/29,382,793 = 29,382,793/x
  3. Step 3: Cross multiply
    18,987,814x = 29,382,793 × 29,382,793
  4. Step 4: Simplify right side
    18,987,814x = 863,348,524,480,849
  5. Step 5: Solve for x
    x = 863,348,524,480,849/18,987,814
  6. Step 6: Final answer
    x = 45,468,558.12

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.