Home / 7,926-21,339

Finding the Third Proportional to 7,926 and 21,339

Calculator

Solution

The third proportional to 7,926 and 21,339 is: 57,450.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,926 : 21,339 = 21,339 : x
  2. Step 2: Convert to fraction form
    7,926/21,339 = 21,339/x
  3. Step 3: Cross multiply
    7,926x = 21,339 × 21,339
  4. Step 4: Simplify right side
    7,926x = 455,352,921
  5. Step 5: Solve for x
    x = 455,352,921/7,926
  6. Step 6: Final answer
    x = 57,450.53

Related Problems

Find third proportional to 3,963 and 10,669.50
Half scale
Find third proportional to 15,852 and 42,678
Double scale
Find third proportional to 7,928 and 21,344
Similar ratio
Find third proportional to 11,889 and 32,008.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.69) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.