Home / 88-142.75

Finding the Third Proportional to 88 and 142.75

Calculator

Solution

The third proportional to 88 and 142.75 is: 231.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    88 : 142.75 = 142.75 : x
  2. Step 2: Convert to fraction form
    88/142.75 = 142.75/x
  3. Step 3: Cross multiply
    88x = 142.75 × 142.75
  4. Step 4: Simplify right side
    88x = 20,377.56
  5. Step 5: Solve for x
    x = 20,377.56/88
  6. Step 6: Final answer
    x = 231.56

Related Problems

Find third proportional to 44 and 71.38
Half scale
Find third proportional to 176 and 285.50
Double scale
Find third proportional to 90 and 146
Similar ratio
Find third proportional to 132 and 214.13
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.62) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.