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Finding the Third Proportional to 8,198,199 and 12,252,129

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Solution

The third proportional to 8,198,199 and 12,252,129 is: 18,310,688.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,198,199 : 12,252,129 = 12,252,129 : x
  2. Step 2: Convert to fraction form
    8,198,199/12,252,129 = 12,252,129/x
  3. Step 3: Cross multiply
    8,198,199x = 12,252,129 × 12,252,129
  4. Step 4: Simplify right side
    8,198,199x = 150,114,665,032,641
  5. Step 5: Solve for x
    x = 150,114,665,032,641/8,198,199
  6. Step 6: Final answer
    x = 18,310,688.12

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.