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Finding the Third Proportional to 369.75 and 574.69

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Solution

The third proportional to 369.75 and 574.69 is: 893.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    369.75 : 574.69 = 574.69 : x
  2. Step 2: Convert to fraction form
    369.75/574.69 = 574.69/x
  3. Step 3: Cross multiply
    369.75x = 574.69 × 574.69
  4. Step 4: Simplify right side
    369.75x = 330,265.72
  5. Step 5: Solve for x
    x = 330,265.72/369.75
  6. Step 6: Final answer
    x = 893.21

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.