Home / 78,876-110,676

Finding the Third Proportional to 78,876 and 110,676

Calculator

Solution

The third proportional to 78,876 and 110,676 is: 155,296.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,876 : 110,676 = 110,676 : x
  2. Step 2: Convert to fraction form
    78,876/110,676 = 110,676/x
  3. Step 3: Cross multiply
    78,876x = 110,676 × 110,676
  4. Step 4: Simplify right side
    78,876x = 12,249,176,976
  5. Step 5: Solve for x
    x = 12,249,176,976/78,876
  6. Step 6: Final answer
    x = 155,296.63

Related Problems

Find third proportional to 39,438 and 55,338
Half scale
Find third proportional to 157,752 and 221,352
Double scale
Find third proportional to 78,878 and 110,679
Similar ratio
Find third proportional to 118,314 and 166,014
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.