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Finding the Third Proportional to 18,321,852 and 39,800,760

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Solution

The third proportional to 18,321,852 and 39,800,760 is: 86,459,627.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,321,852 : 39,800,760 = 39,800,760 : x
  2. Step 2: Convert to fraction form
    18,321,852/39,800,760 = 39,800,760/x
  3. Step 3: Cross multiply
    18,321,852x = 39,800,760 × 39,800,760
  4. Step 4: Simplify right side
    18,321,852x = 1,584,100,496,577,600
  5. Step 5: Solve for x
    x = 1,584,100,496,577,600/18,321,852
  6. Step 6: Final answer
    x = 86,459,627.37

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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.