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Finding the Third Proportional to 5,653.69 and 12,311.44

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Solution

The third proportional to 5,653.69 and 12,311.44 is: 26,809.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,653.69 : 12,311.44 = 12,311.44 : x
  2. Step 2: Convert to fraction form
    5,653.69/12,311.44 = 12,311.44/x
  3. Step 3: Cross multiply
    5,653.69x = 12,311.44 × 12,311.44
  4. Step 4: Simplify right side
    5,653.69x = 151,571,493.32
  5. Step 5: Solve for x
    x = 151,571,493.32/5,653.69
  6. Step 6: Final answer
    x = 26,809.32

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.