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Finding the Third Proportional to 54,467,811 and 117,543,195

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Solution

The third proportional to 54,467,811 and 117,543,195 is: 253,661,794.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,467,811 : 117,543,195 = 117,543,195 : x
  2. Step 2: Convert to fraction form
    54,467,811/117,543,195 = 117,543,195/x
  3. Step 3: Cross multiply
    54,467,811x = 117,543,195 × 117,543,195
  4. Step 4: Simplify right side
    54,467,811x = 13,816,402,690,808,024
  5. Step 5: Solve for x
    x = 13,816,402,690,808,024/54,467,811
  6. Step 6: Final answer
    x = 253,661,794.68

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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.