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Finding the Third Proportional to 86,928.75 and 124,074.75

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Solution

The third proportional to 86,928.75 and 124,074.75 is: 177,093.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,928.75 : 124,074.75 = 124,074.75 : x
  2. Step 2: Convert to fraction form
    86,928.75/124,074.75 = 124,074.75/x
  3. Step 3: Cross multiply
    86,928.75x = 124,074.75 × 124,074.75
  4. Step 4: Simplify right side
    86,928.75x = 15,394,543,587.56
  5. Step 5: Solve for x
    x = 15,394,543,587.56/86,928.75
  6. Step 6: Final answer
    x = 177,093.81

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.