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Finding the Third Proportional to 8,387,236 and 18,375,260

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Solution

The third proportional to 8,387,236 and 18,375,260 is: 40,257,622.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,387,236 : 18,375,260 = 18,375,260 : x
  2. Step 2: Convert to fraction form
    8,387,236/18,375,260 = 18,375,260/x
  3. Step 3: Cross multiply
    8,387,236x = 18,375,260 × 18,375,260
  4. Step 4: Simplify right side
    8,387,236x = 337,650,180,067,600
  5. Step 5: Solve for x
    x = 337,650,180,067,600/8,387,236
  6. Step 6: Final answer
    x = 40,257,622.42

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.