Home / 107.81-234.75

Finding the Third Proportional to 107.81 and 234.75

Calculator

Solution

The third proportional to 107.81 and 234.75 is: 511.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    107.81 : 234.75 = 234.75 : x
  2. Step 2: Convert to fraction form
    107.81/234.75 = 234.75/x
  3. Step 3: Cross multiply
    107.81x = 234.75 × 234.75
  4. Step 4: Simplify right side
    107.81x = 55,107.56
  5. Step 5: Solve for x
    x = 55,107.56/107.81
  6. Step 6: Final answer
    x = 511.14

Related Problems

Find third proportional to 53.91 and 117.38
Half scale
Find third proportional to 215.63 and 469.50
Double scale
Find third proportional to 110 and 239
Similar ratio
Find third proportional to 161.72 and 352.13
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.