Home / 15,438-33,770

Finding the Third Proportional to 15,438 and 33,770

Calculator

Solution

The third proportional to 15,438 and 33,770 is: 73,870.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,438 : 33,770 = 33,770 : x
  2. Step 2: Convert to fraction form
    15,438/33,770 = 33,770/x
  3. Step 3: Cross multiply
    15,438x = 33,770 × 33,770
  4. Step 4: Simplify right side
    15,438x = 1,140,412,900
  5. Step 5: Solve for x
    x = 1,140,412,900/15,438
  6. Step 6: Final answer
    x = 73,870.51

Related Problems

Find third proportional to 7,719 and 16,885
Half scale
Find third proportional to 30,876 and 67,540
Double scale
Find third proportional to 15,440 and 33,774
Similar ratio
Find third proportional to 23,157 and 50,655
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.