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Finding the Third Proportional to 191 and 374.50

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Solution

The third proportional to 191 and 374.50 is: 734.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    191 : 374.50 = 374.50 : x
  2. Step 2: Convert to fraction form
    191/374.50 = 374.50/x
  3. Step 3: Cross multiply
    191x = 374.50 × 374.50
  4. Step 4: Simplify right side
    191x = 140,250.25
  5. Step 5: Solve for x
    x = 140,250.25/191
  6. Step 6: Final answer
    x = 734.29

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Why These Related Problems?

These problems maintain the same ratio (1.96) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.