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Finding the Third Proportional to 3,115,731 and 6,479,127

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Solution

The third proportional to 3,115,731 and 6,479,127 is: 13,473,270.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,115,731 : 6,479,127 = 6,479,127 : x
  2. Step 2: Convert to fraction form
    3,115,731/6,479,127 = 6,479,127/x
  3. Step 3: Cross multiply
    3,115,731x = 6,479,127 × 6,479,127
  4. Step 4: Simplify right side
    3,115,731x = 41,979,086,682,129
  5. Step 5: Solve for x
    x = 41,979,086,682,129/3,115,731
  6. Step 6: Final answer
    x = 13,473,270.54

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.