Home / 8,956-13,782

Finding the Third Proportional to 8,956 and 13,782

Calculator

Solution

The third proportional to 8,956 and 13,782 is: 21,208.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,956 : 13,782 = 13,782 : x
  2. Step 2: Convert to fraction form
    8,956/13,782 = 13,782/x
  3. Step 3: Cross multiply
    8,956x = 13,782 × 13,782
  4. Step 4: Simplify right side
    8,956x = 189,943,524
  5. Step 5: Solve for x
    x = 189,943,524/8,956
  6. Step 6: Final answer
    x = 21,208.52

Related Problems

Find third proportional to 4,478 and 6,891
Half scale
Find third proportional to 17,912 and 27,564
Double scale
Find third proportional to 8,958 and 13,785
Similar ratio
Find third proportional to 13,434 and 20,673
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.