Home / 12,956-16,857

Finding the Third Proportional to 12,956 and 16,857

Calculator

Solution

The third proportional to 12,956 and 16,857 is: 21,932.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,956 : 16,857 = 16,857 : x
  2. Step 2: Convert to fraction form
    12,956/16,857 = 16,857/x
  3. Step 3: Cross multiply
    12,956x = 16,857 × 16,857
  4. Step 4: Simplify right side
    12,956x = 284,158,449
  5. Step 5: Solve for x
    x = 284,158,449/12,956
  6. Step 6: Final answer
    x = 21,932.58

Related Problems

Find third proportional to 6,478 and 8,428.50
Half scale
Find third proportional to 25,912 and 33,714
Double scale
Find third proportional to 12,958 and 16,860
Similar ratio
Find third proportional to 19,434 and 25,285.50
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.