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Finding the Third Proportional to 86,334,800 and 188,812,170

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Solution

The third proportional to 86,334,800 and 188,812,170 is: 412,927,759.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,334,800 : 188,812,170 = 188,812,170 : x
  2. Step 2: Convert to fraction form
    86,334,800/188,812,170 = 188,812,170/x
  3. Step 3: Cross multiply
    86,334,800x = 188,812,170 × 188,812,170
  4. Step 4: Simplify right side
    86,334,800x = 35,650,035,540,108,900
  5. Step 5: Solve for x
    x = 35,650,035,540,108,900/86,334,800
  6. Step 6: Final answer
    x = 412,927,759.61

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.