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Finding the Third Proportional to 8,815,868 and 13,356,868

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Solution

The third proportional to 8,815,868 and 13,356,868 is: 20,236,909.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,815,868 : 13,356,868 = 13,356,868 : x
  2. Step 2: Convert to fraction form
    8,815,868/13,356,868 = 13,356,868/x
  3. Step 3: Cross multiply
    8,815,868x = 13,356,868 × 13,356,868
  4. Step 4: Simplify right side
    8,815,868x = 178,405,922,769,424
  5. Step 5: Solve for x
    x = 178,405,922,769,424/8,815,868
  6. Step 6: Final answer
    x = 20,236,909.49

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.