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Finding the Third Proportional to 18,203,348 and 39,108,122

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Solution

The third proportional to 18,203,348 and 39,108,122 is: 84,019,994.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,203,348 : 39,108,122 = 39,108,122 : x
  2. Step 2: Convert to fraction form
    18,203,348/39,108,122 = 39,108,122/x
  3. Step 3: Cross multiply
    18,203,348x = 39,108,122 × 39,108,122
  4. Step 4: Simplify right side
    18,203,348x = 1,529,445,206,366,884
  5. Step 5: Solve for x
    x = 1,529,445,206,366,884/18,203,348
  6. Step 6: Final answer
    x = 84,019,994.91

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.