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Finding the Third Proportional to 89,727.75 and 125,631

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Solution

The third proportional to 89,727.75 and 125,631 is: 175,900.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,727.75 : 125,631 = 125,631 : x
  2. Step 2: Convert to fraction form
    89,727.75/125,631 = 125,631/x
  3. Step 3: Cross multiply
    89,727.75x = 125,631 × 125,631
  4. Step 4: Simplify right side
    89,727.75x = 15,783,148,161
  5. Step 5: Solve for x
    x = 15,783,148,161/89,727.75
  6. Step 6: Final answer
    x = 175,900.41

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.