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Finding the Third Proportional to 86,621,704 and 192,610,655

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Solution

The third proportional to 86,621,704 and 192,610,655 is: 428,286,015.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,621,704 : 192,610,655 = 192,610,655 : x
  2. Step 2: Convert to fraction form
    86,621,704/192,610,655 = 192,610,655/x
  3. Step 3: Cross multiply
    86,621,704x = 192,610,655 × 192,610,655
  4. Step 4: Simplify right side
    86,621,704x = 37,098,864,419,529,024
  5. Step 5: Solve for x
    x = 37,098,864,419,529,024/86,621,704
  6. Step 6: Final answer
    x = 428,286,015.01

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.