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Finding the Third Proportional to 91,891.13 and 199,054.13

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Solution

The third proportional to 91,891.13 and 199,054.13 is: 431,190.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,891.13 : 199,054.13 = 199,054.13 : x
  2. Step 2: Convert to fraction form
    91,891.13/199,054.13 = 199,054.13/x
  3. Step 3: Cross multiply
    91,891.13x = 199,054.13 × 199,054.13
  4. Step 4: Simplify right side
    91,891.13x = 39,622,544,679.52
  5. Step 5: Solve for x
    x = 39,622,544,679.52/91,891.13
  6. Step 6: Final answer
    x = 431,190.11

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.