Home / 116.75-211.75

Finding the Third Proportional to 116.75 and 211.75

Calculator

Solution

The third proportional to 116.75 and 211.75 is: 384.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    116.75 : 211.75 = 211.75 : x
  2. Step 2: Convert to fraction form
    116.75/211.75 = 211.75/x
  3. Step 3: Cross multiply
    116.75x = 211.75 × 211.75
  4. Step 4: Simplify right side
    116.75x = 44,838.06
  5. Step 5: Solve for x
    x = 44,838.06/116.75
  6. Step 6: Final answer
    x = 384.05

Related Problems

Find third proportional to 58.38 and 105.88
Half scale
Find third proportional to 233.50 and 423.50
Double scale
Find third proportional to 119 and 215
Similar ratio
Find third proportional to 175.13 and 317.63
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.81) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.