Home / 40,072-85,112

Finding the Third Proportional to 40,072 and 85,112

Calculator

Solution

The third proportional to 40,072 and 85,112 is: 180,775.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,072 : 85,112 = 85,112 : x
  2. Step 2: Convert to fraction form
    40,072/85,112 = 85,112/x
  3. Step 3: Cross multiply
    40,072x = 85,112 × 85,112
  4. Step 4: Simplify right side
    40,072x = 7,244,052,544
  5. Step 5: Solve for x
    x = 7,244,052,544/40,072
  6. Step 6: Final answer
    x = 180,775.92

Related Problems

Find third proportional to 20,036 and 42,556
Half scale
Find third proportional to 80,144 and 170,224
Double scale
Find third proportional to 40,074 and 85,116
Similar ratio
Find third proportional to 60,108 and 127,668
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.