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Finding the Third Proportional to 86,621,710 and 192,610,667

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Solution

The third proportional to 86,621,710 and 192,610,667 is: 428,286,038.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,621,710 : 192,610,667 = 192,610,667 : x
  2. Step 2: Convert to fraction form
    86,621,710/192,610,667 = 192,610,667/x
  3. Step 3: Cross multiply
    86,621,710x = 192,610,667 × 192,610,667
  4. Step 4: Simplify right side
    86,621,710x = 37,098,869,042,184,888
  5. Step 5: Solve for x
    x = 37,098,869,042,184,888/86,621,710
  6. Step 6: Final answer
    x = 428,286,038.71

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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.