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Finding the Third Proportional to 3,343,619 and 7,891,719

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Solution

The third proportional to 3,343,619 and 7,891,719 is: 18,626,293.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,343,619 : 7,891,719 = 7,891,719 : x
  2. Step 2: Convert to fraction form
    3,343,619/7,891,719 = 7,891,719/x
  3. Step 3: Cross multiply
    3,343,619x = 7,891,719 × 7,891,719
  4. Step 4: Simplify right side
    3,343,619x = 62,279,228,774,961
  5. Step 5: Solve for x
    x = 62,279,228,774,961/3,343,619
  6. Step 6: Final answer
    x = 18,626,293.48

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.