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Finding the Third Proportional to 267.25 and 358

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Solution

The third proportional to 267.25 and 358 is: 479.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    267.25 : 358 = 358 : x
  2. Step 2: Convert to fraction form
    267.25/358 = 358/x
  3. Step 3: Cross multiply
    267.25x = 358 × 358
  4. Step 4: Simplify right side
    267.25x = 128,164
  5. Step 5: Solve for x
    x = 128,164/267.25
  6. Step 6: Final answer
    x = 479.57

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These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.