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Finding the Third Proportional to 376.88 and 561.94

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Solution

The third proportional to 376.88 and 561.94 is: 837.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    376.88 : 561.94 = 561.94 : x
  2. Step 2: Convert to fraction form
    376.88/561.94 = 561.94/x
  3. Step 3: Cross multiply
    376.88x = 561.94 × 561.94
  4. Step 4: Simplify right side
    376.88x = 315,773.75
  5. Step 5: Solve for x
    x = 315,773.75/376.88
  6. Step 6: Final answer
    x = 837.87

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.