Home / 86,116-189,272

Finding the Third Proportional to 86,116 and 189,272

Calculator

Solution

The third proportional to 86,116 and 189,272 is: 415,995.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,116 : 189,272 = 189,272 : x
  2. Step 2: Convert to fraction form
    86,116/189,272 = 189,272/x
  3. Step 3: Cross multiply
    86,116x = 189,272 × 189,272
  4. Step 4: Simplify right side
    86,116x = 35,823,889,984
  5. Step 5: Solve for x
    x = 35,823,889,984/86,116
  6. Step 6: Final answer
    x = 415,995.75

Related Problems

Find third proportional to 43,058 and 94,636
Half scale
Find third proportional to 172,232 and 378,544
Double scale
Find third proportional to 86,118 and 189,276
Similar ratio
Find third proportional to 129,174 and 283,908
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.