Home / 66,483-143,622

Finding the Third Proportional to 66,483 and 143,622

Calculator

Solution

The third proportional to 66,483 and 143,622 is: 310,263.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,483 : 143,622 = 143,622 : x
  2. Step 2: Convert to fraction form
    66,483/143,622 = 143,622/x
  3. Step 3: Cross multiply
    66,483x = 143,622 × 143,622
  4. Step 4: Simplify right side
    66,483x = 20,627,278,884
  5. Step 5: Solve for x
    x = 20,627,278,884/66,483
  6. Step 6: Final answer
    x = 310,263.96

Related Problems

Find third proportional to 33,241.50 and 71,811
Half scale
Find third proportional to 132,966 and 287,244
Double scale
Find third proportional to 66,485 and 143,626
Similar ratio
Find third proportional to 99,724.50 and 215,433
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.