Home / 6,438-11,772

Finding the Third Proportional to 6,438 and 11,772

Calculator

Solution

The third proportional to 6,438 and 11,772 is: 21,525.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,438 : 11,772 = 11,772 : x
  2. Step 2: Convert to fraction form
    6,438/11,772 = 11,772/x
  3. Step 3: Cross multiply
    6,438x = 11,772 × 11,772
  4. Step 4: Simplify right side
    6,438x = 138,579,984
  5. Step 5: Solve for x
    x = 138,579,984/6,438
  6. Step 6: Final answer
    x = 21,525.32

Related Problems

Find third proportional to 3,219 and 5,886
Half scale
Find third proportional to 12,876 and 23,544
Double scale
Find third proportional to 6,440 and 11,776
Similar ratio
Find third proportional to 9,657 and 17,658
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.83) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.