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Finding the Third Proportional to 1,396 and 3,011

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Solution

The third proportional to 1,396 and 3,011 is: 6,494.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,396 : 3,011 = 3,011 : x
  2. Step 2: Convert to fraction form
    1,396/3,011 = 3,011/x
  3. Step 3: Cross multiply
    1,396x = 3,011 × 3,011
  4. Step 4: Simplify right side
    1,396x = 9,066,121
  5. Step 5: Solve for x
    x = 9,066,121/1,396
  6. Step 6: Final answer
    x = 6,494.36

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.