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Finding the Third Proportional to 372 and 570.75

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Solution

The third proportional to 372 and 570.75 is: 875.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    372 : 570.75 = 570.75 : x
  2. Step 2: Convert to fraction form
    372/570.75 = 570.75/x
  3. Step 3: Cross multiply
    372x = 570.75 × 570.75
  4. Step 4: Simplify right side
    372x = 325,755.56
  5. Step 5: Solve for x
    x = 325,755.56/372
  6. Step 6: Final answer
    x = 875.69

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.