Home / 7,726-12,328

Finding the Third Proportional to 7,726 and 12,328

Calculator

Solution

The third proportional to 7,726 and 12,328 is: 19,671.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,726 : 12,328 = 12,328 : x
  2. Step 2: Convert to fraction form
    7,726/12,328 = 12,328/x
  3. Step 3: Cross multiply
    7,726x = 12,328 × 12,328
  4. Step 4: Simplify right side
    7,726x = 151,979,584
  5. Step 5: Solve for x
    x = 151,979,584/7,726
  6. Step 6: Final answer
    x = 19,671.19

Related Problems

Find third proportional to 3,863 and 6,164
Half scale
Find third proportional to 15,452 and 24,656
Double scale
Find third proportional to 7,728 and 12,331
Similar ratio
Find third proportional to 11,589 and 18,492
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.60) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.