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Finding the Third Proportional to 268 and 369

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Solution

The third proportional to 268 and 369 is: 508.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    268 : 369 = 369 : x
  2. Step 2: Convert to fraction form
    268/369 = 369/x
  3. Step 3: Cross multiply
    268x = 369 × 369
  4. Step 4: Simplify right side
    268x = 136,161
  5. Step 5: Solve for x
    x = 136,161/268
  6. Step 6: Final answer
    x = 508.06

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.