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Finding the Third Proportional to 1,879 and 4,559.50

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Solution

The third proportional to 1,879 and 4,559.50 is: 11,063.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,879 : 4,559.50 = 4,559.50 : x
  2. Step 2: Convert to fraction form
    1,879/4,559.50 = 4,559.50/x
  3. Step 3: Cross multiply
    1,879x = 4,559.50 × 4,559.50
  4. Step 4: Simplify right side
    1,879x = 20,789,040.25
  5. Step 5: Solve for x
    x = 20,789,040.25/1,879
  6. Step 6: Final answer
    x = 11,063.89

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Why These Related Problems?

These problems maintain the same ratio (2.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.