Home / 182,408-398,080

Finding the Third Proportional to 182,408 and 398,080

Calculator

Solution

The third proportional to 182,408 and 398,080 is: 868,754.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,408 : 398,080 = 398,080 : x
  2. Step 2: Convert to fraction form
    182,408/398,080 = 398,080/x
  3. Step 3: Cross multiply
    182,408x = 398,080 × 398,080
  4. Step 4: Simplify right side
    182,408x = 158,467,686,400
  5. Step 5: Solve for x
    x = 158,467,686,400/182,408
  6. Step 6: Final answer
    x = 868,754.04

Related Problems

Find third proportional to 91,204 and 199,040
Half scale
Find third proportional to 364,816 and 796,160
Double scale
Find third proportional to 182,410 and 398,084
Similar ratio
Find third proportional to 273,612 and 597,120
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.