Home / 20,976-30,336

Finding the Third Proportional to 20,976 and 30,336

Calculator

Solution

The third proportional to 20,976 and 30,336 is: 43,872.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,976 : 30,336 = 30,336 : x
  2. Step 2: Convert to fraction form
    20,976/30,336 = 30,336/x
  3. Step 3: Cross multiply
    20,976x = 30,336 × 30,336
  4. Step 4: Simplify right side
    20,976x = 920,272,896
  5. Step 5: Solve for x
    x = 920,272,896/20,976
  6. Step 6: Final answer
    x = 43,872.66

Related Problems

Find third proportional to 10,488 and 15,168
Half scale
Find third proportional to 41,952 and 60,672
Double scale
Find third proportional to 20,978 and 30,339
Similar ratio
Find third proportional to 31,464 and 45,504
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.