Home / 36,399-80,129

Finding the Third Proportional to 36,399 and 80,129

Calculator

Solution

The third proportional to 36,399 and 80,129 is: 176,396.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,399 : 80,129 = 80,129 : x
  2. Step 2: Convert to fraction form
    36,399/80,129 = 80,129/x
  3. Step 3: Cross multiply
    36,399x = 80,129 × 80,129
  4. Step 4: Simplify right side
    36,399x = 6,420,656,641
  5. Step 5: Solve for x
    x = 6,420,656,641/36,399
  6. Step 6: Final answer
    x = 176,396.51

Related Problems

Find third proportional to 18,199.50 and 40,064.50
Half scale
Find third proportional to 72,798 and 160,258
Double scale
Find third proportional to 36,401 and 80,133
Similar ratio
Find third proportional to 54,598.50 and 120,193.50
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.