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Finding the Third Proportional to 268.50 and 294.38

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Solution

The third proportional to 268.50 and 294.38 is: 322.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    268.50 : 294.38 = 294.38 : x
  2. Step 2: Convert to fraction form
    268.50/294.38 = 294.38/x
  3. Step 3: Cross multiply
    268.50x = 294.38 × 294.38
  4. Step 4: Simplify right side
    268.50x = 86,656.64
  5. Step 5: Solve for x
    x = 86,656.64/268.50
  6. Step 6: Final answer
    x = 322.74

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These problems maintain the same ratio (1.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.