Home / 78,874-117,999

Finding the Third Proportional to 78,874 and 117,999

Calculator

Solution

The third proportional to 78,874 and 117,999 is: 176,531.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,874 : 117,999 = 117,999 : x
  2. Step 2: Convert to fraction form
    78,874/117,999 = 117,999/x
  3. Step 3: Cross multiply
    78,874x = 117,999 × 117,999
  4. Step 4: Simplify right side
    78,874x = 13,923,764,001
  5. Step 5: Solve for x
    x = 13,923,764,001/78,874
  6. Step 6: Final answer
    x = 176,531.73

Related Problems

Find third proportional to 39,437 and 58,999.50
Half scale
Find third proportional to 157,748 and 235,998
Double scale
Find third proportional to 78,876 and 118,002
Similar ratio
Find third proportional to 118,311 and 176,998.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.