Home / 114.75-156.25

Finding the Third Proportional to 114.75 and 156.25

Calculator

Solution

The third proportional to 114.75 and 156.25 is: 212.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    114.75 : 156.25 = 156.25 : x
  2. Step 2: Convert to fraction form
    114.75/156.25 = 156.25/x
  3. Step 3: Cross multiply
    114.75x = 156.25 × 156.25
  4. Step 4: Simplify right side
    114.75x = 24,414.06
  5. Step 5: Solve for x
    x = 24,414.06/114.75
  6. Step 6: Final answer
    x = 212.76

Related Problems

Find third proportional to 57.38 and 78.13
Half scale
Find third proportional to 229.50 and 312.50
Double scale
Find third proportional to 117 and 159
Similar ratio
Find third proportional to 172.13 and 234.38
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.