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Finding the Third Proportional to 6,388,880 and 13,861,418

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Solution

The third proportional to 6,388,880 and 13,861,418 is: 30,073,958.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,388,880 : 13,861,418 = 13,861,418 : x
  2. Step 2: Convert to fraction form
    6,388,880/13,861,418 = 13,861,418/x
  3. Step 3: Cross multiply
    6,388,880x = 13,861,418 × 13,861,418
  4. Step 4: Simplify right side
    6,388,880x = 192,138,908,970,724
  5. Step 5: Solve for x
    x = 192,138,908,970,724/6,388,880
  6. Step 6: Final answer
    x = 30,073,958.03

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.