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Finding the Third Proportional to 5,151,888 and 11,188,728

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Solution

The third proportional to 5,151,888 and 11,188,728 is: 24,299,370.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,151,888 : 11,188,728 = 11,188,728 : x
  2. Step 2: Convert to fraction form
    5,151,888/11,188,728 = 11,188,728/x
  3. Step 3: Cross multiply
    5,151,888x = 11,188,728 × 11,188,728
  4. Step 4: Simplify right side
    5,151,888x = 125,187,634,257,984
  5. Step 5: Solve for x
    x = 125,187,634,257,984/5,151,888
  6. Step 6: Final answer
    x = 24,299,370.30

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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.