Home / 33,438-79,221

Finding the Third Proportional to 33,438 and 79,221

Calculator

Solution

The third proportional to 33,438 and 79,221 is: 187,689.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,438 : 79,221 = 79,221 : x
  2. Step 2: Convert to fraction form
    33,438/79,221 = 79,221/x
  3. Step 3: Cross multiply
    33,438x = 79,221 × 79,221
  4. Step 4: Simplify right side
    33,438x = 6,275,966,841
  5. Step 5: Solve for x
    x = 6,275,966,841/33,438
  6. Step 6: Final answer
    x = 187,689.66

Related Problems

Find third proportional to 16,719 and 39,610.50
Half scale
Find third proportional to 66,876 and 158,442
Double scale
Find third proportional to 33,440 and 79,226
Similar ratio
Find third proportional to 50,157 and 118,831.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.