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Finding the Third Proportional to 38,380,236 and 54,884,190

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Solution

The third proportional to 38,380,236 and 54,884,190 is: 78,485,038.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,380,236 : 54,884,190 = 54,884,190 : x
  2. Step 2: Convert to fraction form
    38,380,236/54,884,190 = 54,884,190/x
  3. Step 3: Cross multiply
    38,380,236x = 54,884,190 × 54,884,190
  4. Step 4: Simplify right side
    38,380,236x = 3,012,274,311,956,100
  5. Step 5: Solve for x
    x = 3,012,274,311,956,100/38,380,236
  6. Step 6: Final answer
    x = 78,485,038.81

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.