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Finding the Third Proportional to 2,040.19 and 4,065.19

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Solution

The third proportional to 2,040.19 and 4,065.19 is: 8,100.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,040.19 : 4,065.19 = 4,065.19 : x
  2. Step 2: Convert to fraction form
    2,040.19/4,065.19 = 4,065.19/x
  3. Step 3: Cross multiply
    2,040.19x = 4,065.19 × 4,065.19
  4. Step 4: Simplify right side
    2,040.19x = 16,525,749.41
  5. Step 5: Solve for x
    x = 16,525,749.41/2,040.19
  6. Step 6: Final answer
    x = 8,100.11

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Why These Related Problems?

These problems maintain the same ratio (1.99) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.