Home / 36,990-81,357.75

Finding the Third Proportional to 36,990 and 81,357.75

Calculator

Solution

The third proportional to 36,990 and 81,357.75 is: 178,942.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,990 : 81,357.75 = 81,357.75 : x
  2. Step 2: Convert to fraction form
    36,990/81,357.75 = 81,357.75/x
  3. Step 3: Cross multiply
    36,990x = 81,357.75 × 81,357.75
  4. Step 4: Simplify right side
    36,990x = 6,619,083,485.06
  5. Step 5: Solve for x
    x = 6,619,083,485.06/36,990
  6. Step 6: Final answer
    x = 178,942.51

Related Problems

Find third proportional to 18,495 and 40,678.88
Half scale
Find third proportional to 73,980 and 162,715.50
Double scale
Find third proportional to 36,992 and 81,362
Similar ratio
Find third proportional to 55,485 and 122,036.63
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.