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Finding the Third Proportional to 91,738.75 and 137,181

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Solution

The third proportional to 91,738.75 and 137,181 is: 205,132.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,738.75 : 137,181 = 137,181 : x
  2. Step 2: Convert to fraction form
    91,738.75/137,181 = 137,181/x
  3. Step 3: Cross multiply
    91,738.75x = 137,181 × 137,181
  4. Step 4: Simplify right side
    91,738.75x = 18,818,626,761
  5. Step 5: Solve for x
    x = 18,818,626,761/91,738.75
  6. Step 6: Final answer
    x = 205,132.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.