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Finding the Third Proportional to 1,879,589.81 and 4,096,645.88

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Solution

The third proportional to 1,879,589.81 and 4,096,645.88 is: 8,928,813.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,879,589.81 : 4,096,645.88 = 4,096,645.88 : x
  2. Step 2: Convert to fraction form
    1,879,589.81/4,096,645.88 = 4,096,645.88/x
  3. Step 3: Cross multiply
    1,879,589.81x = 4,096,645.88 × 4,096,645.88
  4. Step 4: Simplify right side
    1,879,589.81x = 16,782,507,425,154.52
  5. Step 5: Solve for x
    x = 16,782,507,425,154.52/1,879,589.81
  6. Step 6: Final answer
    x = 8,928,813.78

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.