Home / 18,485-43,400

Finding the Third Proportional to 18,485 and 43,400

Calculator

Solution

The third proportional to 18,485 and 43,400 is: 101,896.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,485 : 43,400 = 43,400 : x
  2. Step 2: Convert to fraction form
    18,485/43,400 = 43,400/x
  3. Step 3: Cross multiply
    18,485x = 43,400 × 43,400
  4. Step 4: Simplify right side
    18,485x = 1,883,560,000
  5. Step 5: Solve for x
    x = 1,883,560,000/18,485
  6. Step 6: Final answer
    x = 101,896.67

Related Problems

Find third proportional to 9,242.50 and 21,700
Half scale
Find third proportional to 36,970 and 86,800
Double scale
Find third proportional to 18,487 and 43,405
Similar ratio
Find third proportional to 27,727.50 and 65,100
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.