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Finding the Third Proportional to 3,196 and 3,580

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Solution

The third proportional to 3,196 and 3,580 is: 4,010.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,196 : 3,580 = 3,580 : x
  2. Step 2: Convert to fraction form
    3,196/3,580 = 3,580/x
  3. Step 3: Cross multiply
    3,196x = 3,580 × 3,580
  4. Step 4: Simplify right side
    3,196x = 12,816,400
  5. Step 5: Solve for x
    x = 12,816,400/3,196
  6. Step 6: Final answer
    x = 4,010.14

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Why These Related Problems?

These problems maintain the same ratio (1.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.