Home / 1,239-2,694

Finding the Third Proportional to 1,239 and 2,694

Calculator

Solution

The third proportional to 1,239 and 2,694 is: 5,857.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,239 : 2,694 = 2,694 : x
  2. Step 2: Convert to fraction form
    1,239/2,694 = 2,694/x
  3. Step 3: Cross multiply
    1,239x = 2,694 × 2,694
  4. Step 4: Simplify right side
    1,239x = 7,257,636
  5. Step 5: Solve for x
    x = 7,257,636/1,239
  6. Step 6: Final answer
    x = 5,857.66

Related Problems

Find third proportional to 619.50 and 1,347
Half scale
Find third proportional to 2,478 and 5,388
Double scale
Find third proportional to 1,241 and 2,698
Similar ratio
Find third proportional to 1,858.50 and 4,041
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.