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Finding the Third Proportional to 2,520 and 5,879

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Solution

The third proportional to 2,520 and 5,879 is: 13,715.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,520 : 5,879 = 5,879 : x
  2. Step 2: Convert to fraction form
    2,520/5,879 = 5,879/x
  3. Step 3: Cross multiply
    2,520x = 5,879 × 5,879
  4. Step 4: Simplify right side
    2,520x = 34,562,641
  5. Step 5: Solve for x
    x = 34,562,641/2,520
  6. Step 6: Final answer
    x = 13,715.33

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Why These Related Problems?

These problems maintain the same ratio (2.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.