Home / 8,719-17,902

Finding the Third Proportional to 8,719 and 17,902

Calculator

Solution

The third proportional to 8,719 and 17,902 is: 36,756.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,719 : 17,902 = 17,902 : x
  2. Step 2: Convert to fraction form
    8,719/17,902 = 17,902/x
  3. Step 3: Cross multiply
    8,719x = 17,902 × 17,902
  4. Step 4: Simplify right side
    8,719x = 320,481,604
  5. Step 5: Solve for x
    x = 320,481,604/8,719
  6. Step 6: Final answer
    x = 36,756.69

Related Problems

Find third proportional to 4,359.50 and 8,951
Half scale
Find third proportional to 17,438 and 35,804
Double scale
Find third proportional to 8,721 and 17,906
Similar ratio
Find third proportional to 13,078.50 and 26,853
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.