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Finding the Third Proportional to 8,728,500 and 18,967,848

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Solution

The third proportional to 8,728,500 and 18,967,848 is: 41,218,910.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,728,500 : 18,967,848 = 18,967,848 : x
  2. Step 2: Convert to fraction form
    8,728,500/18,967,848 = 18,967,848/x
  3. Step 3: Cross multiply
    8,728,500x = 18,967,848 × 18,967,848
  4. Step 4: Simplify right side
    8,728,500x = 359,779,257,751,104
  5. Step 5: Solve for x
    x = 359,779,257,751,104/8,728,500
  6. Step 6: Final answer
    x = 41,218,910.21

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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.