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Finding the Third Proportional to 86,494.75 and 121,750.75

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Solution

The third proportional to 86,494.75 and 121,750.75 is: 171,377.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,494.75 : 121,750.75 = 121,750.75 : x
  2. Step 2: Convert to fraction form
    86,494.75/121,750.75 = 121,750.75/x
  3. Step 3: Cross multiply
    86,494.75x = 121,750.75 × 121,750.75
  4. Step 4: Simplify right side
    86,494.75x = 14,823,245,125.56
  5. Step 5: Solve for x
    x = 14,823,245,125.56/86,494.75
  6. Step 6: Final answer
    x = 171,377.40

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.