Home / 66,711-100,309.50

Finding the Third Proportional to 66,711 and 100,309.50

Calculator

Solution

The third proportional to 66,711 and 100,309.50 is: 150,829.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,711 : 100,309.50 = 100,309.50 : x
  2. Step 2: Convert to fraction form
    66,711/100,309.50 = 100,309.50/x
  3. Step 3: Cross multiply
    66,711x = 100,309.50 × 100,309.50
  4. Step 4: Simplify right side
    66,711x = 10,061,995,790.25
  5. Step 5: Solve for x
    x = 10,061,995,790.25/66,711
  6. Step 6: Final answer
    x = 150,829.64

Related Problems

Find third proportional to 33,355.50 and 50,154.75
Half scale
Find third proportional to 133,422 and 200,619
Double scale
Find third proportional to 66,713 and 100,313
Similar ratio
Find third proportional to 100,066.50 and 150,464.25
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.