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Finding the Third Proportional to 1,525 and 2,879

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Solution

The third proportional to 1,525 and 2,879 is: 5,435.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,525 : 2,879 = 2,879 : x
  2. Step 2: Convert to fraction form
    1,525/2,879 = 2,879/x
  3. Step 3: Cross multiply
    1,525x = 2,879 × 2,879
  4. Step 4: Simplify right side
    1,525x = 8,288,641
  5. Step 5: Solve for x
    x = 8,288,641/1,525
  6. Step 6: Final answer
    x = 5,435.17

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Why These Related Problems?

These problems maintain the same ratio (1.89) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.