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Finding the Third Proportional to 30,081 and 60,891.75

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Solution

The third proportional to 30,081 and 60,891.75 is: 123,260.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,081 : 60,891.75 = 60,891.75 : x
  2. Step 2: Convert to fraction form
    30,081/60,891.75 = 60,891.75/x
  3. Step 3: Cross multiply
    30,081x = 60,891.75 × 60,891.75
  4. Step 4: Simplify right side
    30,081x = 3,707,805,218.06
  5. Step 5: Solve for x
    x = 3,707,805,218.06/30,081
  6. Step 6: Final answer
    x = 123,260.70

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Why These Related Problems?

These problems maintain the same ratio (2.02) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.