Home / 188,508-398,832

Finding the Third Proportional to 188,508 and 398,832

Calculator

Solution

The third proportional to 188,508 and 398,832 is: 843,820.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,508 : 398,832 = 398,832 : x
  2. Step 2: Convert to fraction form
    188,508/398,832 = 398,832/x
  3. Step 3: Cross multiply
    188,508x = 398,832 × 398,832
  4. Step 4: Simplify right side
    188,508x = 159,066,964,224
  5. Step 5: Solve for x
    x = 159,066,964,224/188,508
  6. Step 6: Final answer
    x = 843,820.76

Related Problems

Find third proportional to 94,254 and 199,416
Half scale
Find third proportional to 377,016 and 797,664
Double scale
Find third proportional to 188,510 and 398,836
Similar ratio
Find third proportional to 282,762 and 598,248
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.