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Finding the Third Proportional to 364 and 476.75

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Solution

The third proportional to 364 and 476.75 is: 624.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    364 : 476.75 = 476.75 : x
  2. Step 2: Convert to fraction form
    364/476.75 = 476.75/x
  3. Step 3: Cross multiply
    364x = 476.75 × 476.75
  4. Step 4: Simplify right side
    364x = 227,290.56
  5. Step 5: Solve for x
    x = 227,290.56/364
  6. Step 6: Final answer
    x = 624.42

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Why These Related Problems?

These problems maintain the same ratio (1.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.