Home / 109.44-236.56

Finding the Third Proportional to 109.44 and 236.56

Calculator

Solution

The third proportional to 109.44 and 236.56 is: 511.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    109.44 : 236.56 = 236.56 : x
  2. Step 2: Convert to fraction form
    109.44/236.56 = 236.56/x
  3. Step 3: Cross multiply
    109.44x = 236.56 × 236.56
  4. Step 4: Simplify right side
    109.44x = 55,961.82
  5. Step 5: Solve for x
    x = 55,961.82/109.44
  6. Step 6: Final answer
    x = 511.36

Related Problems

Find third proportional to 54.72 and 118.28
Half scale
Find third proportional to 218.88 and 473.13
Double scale
Find third proportional to 111 and 241
Similar ratio
Find third proportional to 164.16 and 354.84
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.