Home / 14,240-20,928

Finding the Third Proportional to 14,240 and 20,928

Calculator

Solution

The third proportional to 14,240 and 20,928 is: 30,757.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,240 : 20,928 = 20,928 : x
  2. Step 2: Convert to fraction form
    14,240/20,928 = 20,928/x
  3. Step 3: Cross multiply
    14,240x = 20,928 × 20,928
  4. Step 4: Simplify right side
    14,240x = 437,981,184
  5. Step 5: Solve for x
    x = 437,981,184/14,240
  6. Step 6: Final answer
    x = 30,757.11

Related Problems

Find third proportional to 7,120 and 10,464
Half scale
Find third proportional to 28,480 and 41,856
Double scale
Find third proportional to 14,242 and 20,931
Similar ratio
Find third proportional to 21,360 and 31,392
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.