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Finding the Third Proportional to 1,356.75 and 3,336.19

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Solution

The third proportional to 1,356.75 and 3,336.19 is: 8,203.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,356.75 : 3,336.19 = 3,336.19 : x
  2. Step 2: Convert to fraction form
    1,356.75/3,336.19 = 3,336.19/x
  3. Step 3: Cross multiply
    1,356.75x = 3,336.19 × 3,336.19
  4. Step 4: Simplify right side
    1,356.75x = 11,130,147.04
  5. Step 5: Solve for x
    x = 11,130,147.04/1,356.75
  6. Step 6: Final answer
    x = 8,203.54

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Why These Related Problems?

These problems maintain the same ratio (2.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.