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Finding the Third Proportional to 3,196 and 4,276

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Solution

The third proportional to 3,196 and 4,276 is: 5,720.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,196 : 4,276 = 4,276 : x
  2. Step 2: Convert to fraction form
    3,196/4,276 = 4,276/x
  3. Step 3: Cross multiply
    3,196x = 4,276 × 4,276
  4. Step 4: Simplify right side
    3,196x = 18,284,176
  5. Step 5: Solve for x
    x = 18,284,176/3,196
  6. Step 6: Final answer
    x = 5,720.96

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Why These Related Problems?

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