Home / 12,876-27,135.75

Finding the Third Proportional to 12,876 and 27,135.75

Calculator

Solution

The third proportional to 12,876 and 27,135.75 is: 57,187.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,876 : 27,135.75 = 27,135.75 : x
  2. Step 2: Convert to fraction form
    12,876/27,135.75 = 27,135.75/x
  3. Step 3: Cross multiply
    12,876x = 27,135.75 × 27,135.75
  4. Step 4: Simplify right side
    12,876x = 736,348,928.06
  5. Step 5: Solve for x
    x = 736,348,928.06/12,876
  6. Step 6: Final answer
    x = 57,187.71

Related Problems

Find third proportional to 6,438 and 13,567.88
Half scale
Find third proportional to 25,752 and 54,271.50
Double scale
Find third proportional to 12,878 and 27,140
Similar ratio
Find third proportional to 19,314 and 40,703.63
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.