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Finding the Third Proportional to 6,181.50 and 13,698.75

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Solution

The third proportional to 6,181.50 and 13,698.75 is: 30,357.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,181.50 : 13,698.75 = 13,698.75 : x
  2. Step 2: Convert to fraction form
    6,181.50/13,698.75 = 13,698.75/x
  3. Step 3: Cross multiply
    6,181.50x = 13,698.75 × 13,698.75
  4. Step 4: Simplify right side
    6,181.50x = 187,655,751.56
  5. Step 5: Solve for x
    x = 187,655,751.56/6,181.50
  6. Step 6: Final answer
    x = 30,357.64

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.