Home / 6,919.50-13,920

Finding the Third Proportional to 6,919.50 and 13,920

Calculator

Solution

The third proportional to 6,919.50 and 13,920 is: 28,002.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,919.50 : 13,920 = 13,920 : x
  2. Step 2: Convert to fraction form
    6,919.50/13,920 = 13,920/x
  3. Step 3: Cross multiply
    6,919.50x = 13,920 × 13,920
  4. Step 4: Simplify right side
    6,919.50x = 193,766,400
  5. Step 5: Solve for x
    x = 193,766,400/6,919.50
  6. Step 6: Final answer
    x = 28,002.95

Related Problems

Find third proportional to 3,459.75 and 6,960
Half scale
Find third proportional to 13,839 and 27,840
Double scale
Find third proportional to 6,922 and 13,924
Similar ratio
Find third proportional to 10,379.25 and 20,880
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.01) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.