Home / 86,667-189,286

Finding the Third Proportional to 86,667 and 189,286

Calculator

Solution

The third proportional to 86,667 and 189,286 is: 413,412.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,667 : 189,286 = 189,286 : x
  2. Step 2: Convert to fraction form
    86,667/189,286 = 189,286/x
  3. Step 3: Cross multiply
    86,667x = 189,286 × 189,286
  4. Step 4: Simplify right side
    86,667x = 35,829,189,796
  5. Step 5: Solve for x
    x = 35,829,189,796/86,667
  6. Step 6: Final answer
    x = 413,412.14

Related Problems

Find third proportional to 43,333.50 and 94,643
Half scale
Find third proportional to 173,334 and 378,572
Double scale
Find third proportional to 86,669 and 189,290
Similar ratio
Find third proportional to 130,000.50 and 283,929
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.