Home / 181,638-395,972

Finding the Third Proportional to 181,638 and 395,972

Calculator

Solution

The third proportional to 181,638 and 395,972 is: 863,221.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,638 : 395,972 = 395,972 : x
  2. Step 2: Convert to fraction form
    181,638/395,972 = 395,972/x
  3. Step 3: Cross multiply
    181,638x = 395,972 × 395,972
  4. Step 4: Simplify right side
    181,638x = 156,793,824,784
  5. Step 5: Solve for x
    x = 156,793,824,784/181,638
  6. Step 6: Final answer
    x = 863,221.49

Related Problems

Find third proportional to 90,819 and 197,986
Half scale
Find third proportional to 363,276 and 791,944
Double scale
Find third proportional to 181,640 and 395,976
Similar ratio
Find third proportional to 272,457 and 593,958
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.