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Finding the Third Proportional to 18,902.11 and 25,751.67

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Solution

The third proportional to 18,902.11 and 25,751.67 is: 35,083.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,902.11 : 25,751.67 = 25,751.67 : x
  2. Step 2: Convert to fraction form
    18,902.11/25,751.67 = 25,751.67/x
  3. Step 3: Cross multiply
    18,902.11x = 25,751.67 × 25,751.67
  4. Step 4: Simplify right side
    18,902.11x = 663,148,604.36
  5. Step 5: Solve for x
    x = 663,148,604.36/18,902.11
  6. Step 6: Final answer
    x = 35,083.31

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.