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Finding the Third Proportional to 3,115,719 and 6,479,109

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Solution

The third proportional to 3,115,719 and 6,479,109 is: 13,473,247.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,115,719 : 6,479,109 = 6,479,109 : x
  2. Step 2: Convert to fraction form
    3,115,719/6,479,109 = 6,479,109/x
  3. Step 3: Cross multiply
    3,115,719x = 6,479,109 × 6,479,109
  4. Step 4: Simplify right side
    3,115,719x = 41,978,853,433,881
  5. Step 5: Solve for x
    x = 41,978,853,433,881/3,115,719
  6. Step 6: Final answer
    x = 13,473,247.57

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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.