Home / 21,086-44,121

Finding the Third Proportional to 21,086 and 44,121

Calculator

Solution

The third proportional to 21,086 and 44,121 is: 92,320.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,086 : 44,121 = 44,121 : x
  2. Step 2: Convert to fraction form
    21,086/44,121 = 44,121/x
  3. Step 3: Cross multiply
    21,086x = 44,121 × 44,121
  4. Step 4: Simplify right side
    21,086x = 1,946,662,641
  5. Step 5: Solve for x
    x = 1,946,662,641/21,086
  6. Step 6: Final answer
    x = 92,320.15

Related Problems

Find third proportional to 10,543 and 22,060.50
Half scale
Find third proportional to 42,172 and 88,242
Double scale
Find third proportional to 21,088 and 44,125
Similar ratio
Find third proportional to 31,629 and 66,181.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.