Home / 54,330-85,869

Finding the Third Proportional to 54,330 and 85,869

Calculator

Solution

The third proportional to 54,330 and 85,869 is: 135,716.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,330 : 85,869 = 85,869 : x
  2. Step 2: Convert to fraction form
    54,330/85,869 = 85,869/x
  3. Step 3: Cross multiply
    54,330x = 85,869 × 85,869
  4. Step 4: Simplify right side
    54,330x = 7,373,485,161
  5. Step 5: Solve for x
    x = 7,373,485,161/54,330
  6. Step 6: Final answer
    x = 135,716.64

Related Problems

Find third proportional to 27,165 and 42,934.50
Half scale
Find third proportional to 108,660 and 171,738
Double scale
Find third proportional to 54,332 and 85,872
Similar ratio
Find third proportional to 81,495 and 128,803.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.