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Finding the Third Proportional to 559.09 and 1,208.36

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Solution

The third proportional to 559.09 and 1,208.36 is: 2,611.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    559.09 : 1,208.36 = 1,208.36 : x
  2. Step 2: Convert to fraction form
    559.09/1,208.36 = 1,208.36/x
  3. Step 3: Cross multiply
    559.09x = 1,208.36 × 1,208.36
  4. Step 4: Simplify right side
    559.09x = 1,460,122.94
  5. Step 5: Solve for x
    x = 1,460,122.94/559.09
  6. Step 6: Final answer
    x = 2,611.61

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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.