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Finding the Third Proportional to 86,621,707 and 192,610,660

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Solution

The third proportional to 86,621,707 and 192,610,660 is: 428,286,022.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,621,707 : 192,610,660 = 192,610,660 : x
  2. Step 2: Convert to fraction form
    86,621,707/192,610,660 = 192,610,660/x
  3. Step 3: Cross multiply
    86,621,707x = 192,610,660 × 192,610,660
  4. Step 4: Simplify right side
    86,621,707x = 37,098,866,345,635,600
  5. Step 5: Solve for x
    x = 37,098,866,345,635,600/86,621,707
  6. Step 6: Final answer
    x = 428,286,022.41

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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.