Home / 886.78-1,236.09

Finding the Third Proportional to 886.78 and 1,236.09

Calculator

Solution

The third proportional to 886.78 and 1,236.09 is: 1,723.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    886.78 : 1,236.09 = 1,236.09 : x
  2. Step 2: Convert to fraction form
    886.78/1,236.09 = 1,236.09/x
  3. Step 3: Cross multiply
    886.78x = 1,236.09 × 1,236.09
  4. Step 4: Simplify right side
    886.78x = 1,527,927.76
  5. Step 5: Solve for x
    x = 1,527,927.76/886.78
  6. Step 6: Final answer
    x = 1,723.00

Related Problems

Find third proportional to 443.39 and 618.05
Half scale
Find third proportional to 1,773.56 and 2,472.19
Double scale
Find third proportional to 889 and 1,239
Similar ratio
Find third proportional to 1,330.17 and 1,854.14
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.