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Finding the Third Proportional to 86,898 and 131,571.75

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Solution

The third proportional to 86,898 and 131,571.75 is: 199,212.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,898 : 131,571.75 = 131,571.75 : x
  2. Step 2: Convert to fraction form
    86,898/131,571.75 = 131,571.75/x
  3. Step 3: Cross multiply
    86,898x = 131,571.75 × 131,571.75
  4. Step 4: Simplify right side
    86,898x = 17,311,125,398.06
  5. Step 5: Solve for x
    x = 17,311,125,398.06/86,898
  6. Step 6: Final answer
    x = 199,212.01

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.