Home / 20,220-28,954

Finding the Third Proportional to 20,220 and 28,954

Calculator

Solution

The third proportional to 20,220 and 28,954 is: 41,460.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,220 : 28,954 = 28,954 : x
  2. Step 2: Convert to fraction form
    20,220/28,954 = 28,954/x
  3. Step 3: Cross multiply
    20,220x = 28,954 × 28,954
  4. Step 4: Simplify right side
    20,220x = 838,334,116
  5. Step 5: Solve for x
    x = 838,334,116/20,220
  6. Step 6: Final answer
    x = 41,460.64

Related Problems

Find third proportional to 10,110 and 14,477
Half scale
Find third proportional to 40,440 and 57,908
Double scale
Find third proportional to 20,222 and 28,957
Similar ratio
Find third proportional to 30,330 and 43,431
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.