Home / 27.76-60.87

Finding the Third Proportional to 27.76 and 60.87

Calculator

Solution

The third proportional to 27.76 and 60.87 is: 133.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    27.76 : 60.87 = 60.87 : x
  2. Step 2: Convert to fraction form
    27.76/60.87 = 60.87/x
  3. Step 3: Cross multiply
    27.76x = 60.87 × 60.87
  4. Step 4: Simplify right side
    27.76x = 3,704.99
  5. Step 5: Solve for x
    x = 3,704.99/27.76
  6. Step 6: Final answer
    x = 133.44

Related Problems

Find third proportional to 13.88 and 30.43
Half scale
Find third proportional to 55.53 and 121.74
Double scale
Find third proportional to 30 and 65
Similar ratio
Find third proportional to 41.65 and 91.30
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.