Home / 51,718-79,081

Finding the Third Proportional to 51,718 and 79,081

Calculator

Solution

The third proportional to 51,718 and 79,081 is: 120,921.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,718 : 79,081 = 79,081 : x
  2. Step 2: Convert to fraction form
    51,718/79,081 = 79,081/x
  3. Step 3: Cross multiply
    51,718x = 79,081 × 79,081
  4. Step 4: Simplify right side
    51,718x = 6,253,804,561
  5. Step 5: Solve for x
    x = 6,253,804,561/51,718
  6. Step 6: Final answer
    x = 120,921.24

Related Problems

Find third proportional to 25,859 and 39,540.50
Half scale
Find third proportional to 103,436 and 158,162
Double scale
Find third proportional to 51,720 and 79,084
Similar ratio
Find third proportional to 77,577 and 118,621.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.