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Finding the Third Proportional to 18,954,380 and 40,934,848

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Solution

The third proportional to 18,954,380 and 40,934,848 is: 88,404,990.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,954,380 : 40,934,848 = 40,934,848 : x
  2. Step 2: Convert to fraction form
    18,954,380/40,934,848 = 40,934,848/x
  3. Step 3: Cross multiply
    18,954,380x = 40,934,848 × 40,934,848
  4. Step 4: Simplify right side
    18,954,380x = 1,675,661,780,783,104
  5. Step 5: Solve for x
    x = 1,675,661,780,783,104/18,954,380
  6. Step 6: Final answer
    x = 88,404,990.34

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.