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Finding the Third Proportional to 19,554.75 and 40,020.75

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Solution

The third proportional to 19,554.75 and 40,020.75 is: 81,906.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,554.75 : 40,020.75 = 40,020.75 : x
  2. Step 2: Convert to fraction form
    19,554.75/40,020.75 = 40,020.75/x
  3. Step 3: Cross multiply
    19,554.75x = 40,020.75 × 40,020.75
  4. Step 4: Simplify right side
    19,554.75x = 1,601,660,430.56
  5. Step 5: Solve for x
    x = 1,601,660,430.56/19,554.75
  6. Step 6: Final answer
    x = 81,906.46

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.