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Finding the Third Proportional to 15,238,170 and 20,751,399

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Solution

The third proportional to 15,238,170 and 20,751,399 is: 28,259,335.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,238,170 : 20,751,399 = 20,751,399 : x
  2. Step 2: Convert to fraction form
    15,238,170/20,751,399 = 20,751,399/x
  3. Step 3: Cross multiply
    15,238,170x = 20,751,399 × 20,751,399
  4. Step 4: Simplify right side
    15,238,170x = 430,620,560,457,201
  5. Step 5: Solve for x
    x = 430,620,560,457,201/15,238,170
  6. Step 6: Final answer
    x = 28,259,335.63

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.