Home / 43,450-67,170

Finding the Third Proportional to 43,450 and 67,170

Calculator

Solution

The third proportional to 43,450 and 67,170 is: 103,839.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,450 : 67,170 = 67,170 : x
  2. Step 2: Convert to fraction form
    43,450/67,170 = 67,170/x
  3. Step 3: Cross multiply
    43,450x = 67,170 × 67,170
  4. Step 4: Simplify right side
    43,450x = 4,511,808,900
  5. Step 5: Solve for x
    x = 4,511,808,900/43,450
  6. Step 6: Final answer
    x = 103,839.10

Related Problems

Find third proportional to 21,725 and 33,585
Half scale
Find third proportional to 86,900 and 134,340
Double scale
Find third proportional to 43,452 and 67,173
Similar ratio
Find third proportional to 65,175 and 100,755
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.