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Finding the Third Proportional to 19,112.25 and 40,545.75

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Solution

The third proportional to 19,112.25 and 40,545.75 is: 86,015.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,112.25 : 40,545.75 = 40,545.75 : x
  2. Step 2: Convert to fraction form
    19,112.25/40,545.75 = 40,545.75/x
  3. Step 3: Cross multiply
    19,112.25x = 40,545.75 × 40,545.75
  4. Step 4: Simplify right side
    19,112.25x = 1,643,957,843.06
  5. Step 5: Solve for x
    x = 1,643,957,843.06/19,112.25
  6. Step 6: Final answer
    x = 86,015.92

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.