Home / 182,000-400,000

Finding the Third Proportional to 182,000 and 400,000

Calculator

Solution

The third proportional to 182,000 and 400,000 is: 879,120.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,000 : 400,000 = 400,000 : x
  2. Step 2: Convert to fraction form
    182,000/400,000 = 400,000/x
  3. Step 3: Cross multiply
    182,000x = 400,000 × 400,000
  4. Step 4: Simplify right side
    182,000x = 160,000,000,000
  5. Step 5: Solve for x
    x = 160,000,000,000/182,000
  6. Step 6: Final answer
    x = 879,120.88

Related Problems

Find third proportional to 91,000 and 200,000
Half scale
Find third proportional to 364,000 and 800,000
Double scale
Find third proportional to 182,002 and 400,004
Similar ratio
Find third proportional to 273,000 and 600,000
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.