Home / 21,517-44,222

Finding the Third Proportional to 21,517 and 44,222

Calculator

Solution

The third proportional to 21,517 and 44,222 is: 90,885.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,517 : 44,222 = 44,222 : x
  2. Step 2: Convert to fraction form
    21,517/44,222 = 44,222/x
  3. Step 3: Cross multiply
    21,517x = 44,222 × 44,222
  4. Step 4: Simplify right side
    21,517x = 1,955,585,284
  5. Step 5: Solve for x
    x = 1,955,585,284/21,517
  6. Step 6: Final answer
    x = 90,885.59

Related Problems

Find third proportional to 10,758.50 and 22,111
Half scale
Find third proportional to 43,034 and 88,444
Double scale
Find third proportional to 21,519 and 44,226
Similar ratio
Find third proportional to 32,275.50 and 66,333
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.06) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.