Home / 43,722-66,411

Finding the Third Proportional to 43,722 and 66,411

Calculator

Solution

The third proportional to 43,722 and 66,411 is: 100,874.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,722 : 66,411 = 66,411 : x
  2. Step 2: Convert to fraction form
    43,722/66,411 = 66,411/x
  3. Step 3: Cross multiply
    43,722x = 66,411 × 66,411
  4. Step 4: Simplify right side
    43,722x = 4,410,420,921
  5. Step 5: Solve for x
    x = 4,410,420,921/43,722
  6. Step 6: Final answer
    x = 100,874.18

Related Problems

Find third proportional to 21,861 and 33,205.50
Half scale
Find third proportional to 87,444 and 132,822
Double scale
Find third proportional to 43,724 and 66,414
Similar ratio
Find third proportional to 65,583 and 99,616.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.