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Finding the Third Proportional to 8,690,227 and 13,147,167

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Solution

The third proportional to 8,690,227 and 13,147,167 is: 19,889,929.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,690,227 : 13,147,167 = 13,147,167 : x
  2. Step 2: Convert to fraction form
    8,690,227/13,147,167 = 13,147,167/x
  3. Step 3: Cross multiply
    8,690,227x = 13,147,167 × 13,147,167
  4. Step 4: Simplify right side
    8,690,227x = 172,848,000,125,889
  5. Step 5: Solve for x
    x = 172,848,000,125,889/8,690,227
  6. Step 6: Final answer
    x = 19,889,929.24

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.