Home / 20,508-26,928

Finding the Third Proportional to 20,508 and 26,928

Calculator

Solution

The third proportional to 20,508 and 26,928 is: 35,357.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,508 : 26,928 = 26,928 : x
  2. Step 2: Convert to fraction form
    20,508/26,928 = 26,928/x
  3. Step 3: Cross multiply
    20,508x = 26,928 × 26,928
  4. Step 4: Simplify right side
    20,508x = 725,117,184
  5. Step 5: Solve for x
    x = 725,117,184/20,508
  6. Step 6: Final answer
    x = 35,357.77

Related Problems

Find third proportional to 10,254 and 13,464
Half scale
Find third proportional to 41,016 and 53,856
Double scale
Find third proportional to 20,510 and 26,931
Similar ratio
Find third proportional to 30,762 and 40,392
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.