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Finding the Third Proportional to 372 and 879.56

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Solution

The third proportional to 372 and 879.56 is: 2,079.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    372 : 879.56 = 879.56 : x
  2. Step 2: Convert to fraction form
    372/879.56 = 879.56/x
  3. Step 3: Cross multiply
    372x = 879.56 × 879.56
  4. Step 4: Simplify right side
    372x = 773,630.19
  5. Step 5: Solve for x
    x = 773,630.19/372
  6. Step 6: Final answer
    x = 2,079.65

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.