Home / 956-1,239

Finding the Third Proportional to 956 and 1,239

Calculator

Solution

The third proportional to 956 and 1,239 is: 1,605.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    956 : 1,239 = 1,239 : x
  2. Step 2: Convert to fraction form
    956/1,239 = 1,239/x
  3. Step 3: Cross multiply
    956x = 1,239 × 1,239
  4. Step 4: Simplify right side
    956x = 1,535,121
  5. Step 5: Solve for x
    x = 1,535,121/956
  6. Step 6: Final answer
    x = 1,605.78

Related Problems

Find third proportional to 478 and 619.50
Half scale
Find third proportional to 1,912 and 2,478
Double scale
Find third proportional to 958 and 1,242
Similar ratio
Find third proportional to 1,434 and 1,858.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.30) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.