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Finding the Third Proportional to 5,210,880 and 11,481,924

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Solution

The third proportional to 5,210,880 and 11,481,924 is: 25,299,868.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,210,880 : 11,481,924 = 11,481,924 : x
  2. Step 2: Convert to fraction form
    5,210,880/11,481,924 = 11,481,924/x
  3. Step 3: Cross multiply
    5,210,880x = 11,481,924 × 11,481,924
  4. Step 4: Simplify right side
    5,210,880x = 131,834,578,741,776
  5. Step 5: Solve for x
    x = 131,834,578,741,776/5,210,880
  6. Step 6: Final answer
    x = 25,299,868.49

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.