Home / 2,658-3,969

Finding the Third Proportional to 2,658 and 3,969

Calculator

Solution

The third proportional to 2,658 and 3,969 is: 5,926.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,658 : 3,969 = 3,969 : x
  2. Step 2: Convert to fraction form
    2,658/3,969 = 3,969/x
  3. Step 3: Cross multiply
    2,658x = 3,969 × 3,969
  4. Step 4: Simplify right side
    2,658x = 15,752,961
  5. Step 5: Solve for x
    x = 15,752,961/2,658
  6. Step 6: Final answer
    x = 5,926.62

Related Problems

Find third proportional to 1,329 and 1,984.50
Half scale
Find third proportional to 5,316 and 7,938
Double scale
Find third proportional to 2,660 and 3,972
Similar ratio
Find third proportional to 3,987 and 5,953.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.