Home / 3,220-6,918

Finding the Third Proportional to 3,220 and 6,918

Calculator

Solution

The third proportional to 3,220 and 6,918 is: 14,862.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,220 : 6,918 = 6,918 : x
  2. Step 2: Convert to fraction form
    3,220/6,918 = 6,918/x
  3. Step 3: Cross multiply
    3,220x = 6,918 × 6,918
  4. Step 4: Simplify right side
    3,220x = 47,858,724
  5. Step 5: Solve for x
    x = 47,858,724/3,220
  6. Step 6: Final answer
    x = 14,862.96

Related Problems

Find third proportional to 1,610 and 3,459
Half scale
Find third proportional to 6,440 and 13,836
Double scale
Find third proportional to 3,222 and 6,922
Similar ratio
Find third proportional to 4,830 and 10,377
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.