Home / 7,716-15,979

Finding the Third Proportional to 7,716 and 15,979

Calculator

Solution

The third proportional to 7,716 and 15,979 is: 33,090.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,716 : 15,979 = 15,979 : x
  2. Step 2: Convert to fraction form
    7,716/15,979 = 15,979/x
  3. Step 3: Cross multiply
    7,716x = 15,979 × 15,979
  4. Step 4: Simplify right side
    7,716x = 255,328,441
  5. Step 5: Solve for x
    x = 255,328,441/7,716
  6. Step 6: Final answer
    x = 33,090.78

Related Problems

Find third proportional to 3,858 and 7,989.50
Half scale
Find third proportional to 15,432 and 31,958
Double scale
Find third proportional to 7,718 and 15,983
Similar ratio
Find third proportional to 11,574 and 23,968.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.