Home / 8,108-17,720

Finding the Third Proportional to 8,108 and 17,720

Calculator

Solution

The third proportional to 8,108 and 17,720 is: 38,726.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,108 : 17,720 = 17,720 : x
  2. Step 2: Convert to fraction form
    8,108/17,720 = 17,720/x
  3. Step 3: Cross multiply
    8,108x = 17,720 × 17,720
  4. Step 4: Simplify right side
    8,108x = 313,998,400
  5. Step 5: Solve for x
    x = 313,998,400/8,108
  6. Step 6: Final answer
    x = 38,726.99

Related Problems

Find third proportional to 4,054 and 8,860
Half scale
Find third proportional to 16,216 and 35,440
Double scale
Find third proportional to 8,110 and 17,724
Similar ratio
Find third proportional to 12,162 and 26,580
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.