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Finding the Third Proportional to 54,190.50 and 85,119.75

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Solution

The third proportional to 54,190.50 and 85,119.75 is: 133,701.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,190.50 : 85,119.75 = 85,119.75 : x
  2. Step 2: Convert to fraction form
    54,190.50/85,119.75 = 85,119.75/x
  3. Step 3: Cross multiply
    54,190.50x = 85,119.75 × 85,119.75
  4. Step 4: Simplify right side
    54,190.50x = 7,245,371,840.06
  5. Step 5: Solve for x
    x = 7,245,371,840.06/54,190.50
  6. Step 6: Final answer
    x = 133,701.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.