Home / 21,991-30,252

Finding the Third Proportional to 21,991 and 30,252

Calculator

Solution

The third proportional to 21,991 and 30,252 is: 41,616.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,991 : 30,252 = 30,252 : x
  2. Step 2: Convert to fraction form
    21,991/30,252 = 30,252/x
  3. Step 3: Cross multiply
    21,991x = 30,252 × 30,252
  4. Step 4: Simplify right side
    21,991x = 915,183,504
  5. Step 5: Solve for x
    x = 915,183,504/21,991
  6. Step 6: Final answer
    x = 41,616.28

Related Problems

Find third proportional to 10,995.50 and 15,126
Half scale
Find third proportional to 43,982 and 60,504
Double scale
Find third proportional to 21,993 and 30,255
Similar ratio
Find third proportional to 32,986.50 and 45,378
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.