Home / 79,974-172,757

Finding the Third Proportional to 79,974 and 172,757

Calculator

Solution

The third proportional to 79,974 and 172,757 is: 373,183.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,974 : 172,757 = 172,757 : x
  2. Step 2: Convert to fraction form
    79,974/172,757 = 172,757/x
  3. Step 3: Cross multiply
    79,974x = 172,757 × 172,757
  4. Step 4: Simplify right side
    79,974x = 29,844,981,049
  5. Step 5: Solve for x
    x = 29,844,981,049/79,974
  6. Step 6: Final answer
    x = 373,183.55

Related Problems

Find third proportional to 39,987 and 86,378.50
Half scale
Find third proportional to 159,948 and 345,514
Double scale
Find third proportional to 79,976 and 172,761
Similar ratio
Find third proportional to 119,961 and 259,135.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.