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Finding the Third Proportional to 13,443,638 and 20,175,285

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Solution

The third proportional to 13,443,638 and 20,175,285 is: 30,277,676.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,443,638 : 20,175,285 = 20,175,285 : x
  2. Step 2: Convert to fraction form
    13,443,638/20,175,285 = 20,175,285/x
  3. Step 3: Cross multiply
    13,443,638x = 20,175,285 × 20,175,285
  4. Step 4: Simplify right side
    13,443,638x = 407,042,124,831,225
  5. Step 5: Solve for x
    x = 407,042,124,831,225/13,443,638
  6. Step 6: Final answer
    x = 30,277,676.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.