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Finding the Third Proportional to 191 and 336.25

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Solution

The third proportional to 191 and 336.25 is: 591.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    191 : 336.25 = 336.25 : x
  2. Step 2: Convert to fraction form
    191/336.25 = 336.25/x
  3. Step 3: Cross multiply
    191x = 336.25 × 336.25
  4. Step 4: Simplify right side
    191x = 113,064.06
  5. Step 5: Solve for x
    x = 113,064.06/191
  6. Step 6: Final answer
    x = 591.96

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Why These Related Problems?

These problems maintain the same ratio (1.76) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.