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Finding the Third Proportional to 38,380,190 and 54,884,124

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Solution

The third proportional to 38,380,190 and 54,884,124 is: 78,484,944.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,380,190 : 54,884,124 = 54,884,124 : x
  2. Step 2: Convert to fraction form
    38,380,190/54,884,124 = 54,884,124/x
  3. Step 3: Cross multiply
    38,380,190x = 54,884,124 × 54,884,124
  4. Step 4: Simplify right side
    38,380,190x = 3,012,267,067,247,376
  5. Step 5: Solve for x
    x = 3,012,267,067,247,376/38,380,190
  6. Step 6: Final answer
    x = 78,484,944.11

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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.