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Finding the Third Proportional to 188.50 and 379

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Solution

The third proportional to 188.50 and 379 is: 762.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    188.50 : 379 = 379 : x
  2. Step 2: Convert to fraction form
    188.50/379 = 379/x
  3. Step 3: Cross multiply
    188.50x = 379 × 379
  4. Step 4: Simplify right side
    188.50x = 143,641
  5. Step 5: Solve for x
    x = 143,641/188.50
  6. Step 6: Final answer
    x = 762.02

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Why These Related Problems?

These problems maintain the same ratio (2.01) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.