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Finding the Third Proportional to 18,214,912 and 39,456,550

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Solution

The third proportional to 18,214,912 and 39,456,550 is: 85,469,495.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,214,912 : 39,456,550 = 39,456,550 : x
  2. Step 2: Convert to fraction form
    18,214,912/39,456,550 = 39,456,550/x
  3. Step 3: Cross multiply
    18,214,912x = 39,456,550 × 39,456,550
  4. Step 4: Simplify right side
    18,214,912x = 1,556,819,337,902,500
  5. Step 5: Solve for x
    x = 1,556,819,337,902,500/18,214,912
  6. Step 6: Final answer
    x = 85,469,495.43

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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.