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Finding the Third Proportional to 268 and 376.50

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Solution

The third proportional to 268 and 376.50 is: 528.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    268 : 376.50 = 376.50 : x
  2. Step 2: Convert to fraction form
    268/376.50 = 376.50/x
  3. Step 3: Cross multiply
    268x = 376.50 × 376.50
  4. Step 4: Simplify right side
    268x = 141,752.25
  5. Step 5: Solve for x
    x = 141,752.25/268
  6. Step 6: Final answer
    x = 528.93

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These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.