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Finding the Third Proportional to 1,879.13 and 4,055.25

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Solution

The third proportional to 1,879.13 and 4,055.25 is: 8,751.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,879.13 : 4,055.25 = 4,055.25 : x
  2. Step 2: Convert to fraction form
    1,879.13/4,055.25 = 4,055.25/x
  3. Step 3: Cross multiply
    1,879.13x = 4,055.25 × 4,055.25
  4. Step 4: Simplify right side
    1,879.13x = 16,445,052.56
  5. Step 5: Solve for x
    x = 16,445,052.56/1,879.13
  6. Step 6: Final answer
    x = 8,751.44

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.