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Finding the Third Proportional to 375.75 and 575.25

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Solution

The third proportional to 375.75 and 575.25 is: 880.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    375.75 : 575.25 = 575.25 : x
  2. Step 2: Convert to fraction form
    375.75/575.25 = 575.25/x
  3. Step 3: Cross multiply
    375.75x = 575.25 × 575.25
  4. Step 4: Simplify right side
    375.75x = 330,912.56
  5. Step 5: Solve for x
    x = 330,912.56/375.75
  6. Step 6: Final answer
    x = 880.67

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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.