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Finding the Third Proportional to 371 and 879

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Solution

The third proportional to 371 and 879 is: 2,082.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    371 : 879 = 879 : x
  2. Step 2: Convert to fraction form
    371/879 = 879/x
  3. Step 3: Cross multiply
    371x = 879 × 879
  4. Step 4: Simplify right side
    371x = 772,641
  5. Step 5: Solve for x
    x = 772,641/371
  6. Step 6: Final answer
    x = 2,082.59

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These problems maintain the same ratio (2.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.