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Finding the Third Proportional to 8,118,939 and 17,667,137

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Solution

The third proportional to 8,118,939 and 17,667,137 is: 38,444,398.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,118,939 : 17,667,137 = 17,667,137 : x
  2. Step 2: Convert to fraction form
    8,118,939/17,667,137 = 17,667,137/x
  3. Step 3: Cross multiply
    8,118,939x = 17,667,137 × 17,667,137
  4. Step 4: Simplify right side
    8,118,939x = 312,127,729,776,769
  5. Step 5: Solve for x
    x = 312,127,729,776,769/8,118,939
  6. Step 6: Final answer
    x = 38,444,398.93

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.