Home / 40,074-85,512

Finding the Third Proportional to 40,074 and 85,512

Calculator

Solution

The third proportional to 40,074 and 85,512 is: 182,469.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,074 : 85,512 = 85,512 : x
  2. Step 2: Convert to fraction form
    40,074/85,512 = 85,512/x
  3. Step 3: Cross multiply
    40,074x = 85,512 × 85,512
  4. Step 4: Simplify right side
    40,074x = 7,312,302,144
  5. Step 5: Solve for x
    x = 7,312,302,144/40,074
  6. Step 6: Final answer
    x = 182,469.98

Related Problems

Find third proportional to 20,037 and 42,756
Half scale
Find third proportional to 80,148 and 171,024
Double scale
Find third proportional to 40,076 and 85,516
Similar ratio
Find third proportional to 60,111 and 128,268
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.