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Finding the Third Proportional to 8,651,067 and 20,421,669

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Solution

The third proportional to 8,651,067 and 20,421,669 is: 48,207,297.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,651,067 : 20,421,669 = 20,421,669 : x
  2. Step 2: Convert to fraction form
    8,651,067/20,421,669 = 20,421,669/x
  3. Step 3: Cross multiply
    8,651,067x = 20,421,669 × 20,421,669
  4. Step 4: Simplify right side
    8,651,067x = 417,044,564,745,561
  5. Step 5: Solve for x
    x = 417,044,564,745,561/8,651,067
  6. Step 6: Final answer
    x = 48,207,297.98

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.