Home / 8,667-18,918

Finding the Third Proportional to 8,667 and 18,918

Calculator

Solution

The third proportional to 8,667 and 18,918 is: 41,293.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,667 : 18,918 = 18,918 : x
  2. Step 2: Convert to fraction form
    8,667/18,918 = 18,918/x
  3. Step 3: Cross multiply
    8,667x = 18,918 × 18,918
  4. Step 4: Simplify right side
    8,667x = 357,890,724
  5. Step 5: Solve for x
    x = 357,890,724/8,667
  6. Step 6: Final answer
    x = 41,293.50

Related Problems

Find third proportional to 4,333.50 and 9,459
Half scale
Find third proportional to 17,334 and 37,836
Double scale
Find third proportional to 8,669 and 18,922
Similar ratio
Find third proportional to 13,000.50 and 28,377
1.5x scale

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.