Home / 19,212-40,902

Finding the Third Proportional to 19,212 and 40,902

Calculator

Solution

The third proportional to 19,212 and 40,902 is: 87,079.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,212 : 40,902 = 40,902 : x
  2. Step 2: Convert to fraction form
    19,212/40,902 = 40,902/x
  3. Step 3: Cross multiply
    19,212x = 40,902 × 40,902
  4. Step 4: Simplify right side
    19,212x = 1,672,973,604
  5. Step 5: Solve for x
    x = 1,672,973,604/19,212
  6. Step 6: Final answer
    x = 87,079.62

Related Problems

Find third proportional to 9,606 and 20,451
Half scale
Find third proportional to 38,424 and 81,804
Double scale
Find third proportional to 19,214 and 40,906
Similar ratio
Find third proportional to 28,818 and 61,353
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.