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Finding the Third Proportional to 3,300.75 and 6,890.06

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Solution

The third proportional to 3,300.75 and 6,890.06 is: 14,382.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,300.75 : 6,890.06 = 6,890.06 : x
  2. Step 2: Convert to fraction form
    3,300.75/6,890.06 = 6,890.06/x
  3. Step 3: Cross multiply
    3,300.75x = 6,890.06 × 6,890.06
  4. Step 4: Simplify right side
    3,300.75x = 47,472,961.25
  5. Step 5: Solve for x
    x = 47,472,961.25/3,300.75
  6. Step 6: Final answer
    x = 14,382.48

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Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.