Home / 51,860-78,267

Finding the Third Proportional to 51,860 and 78,267

Calculator

Solution

The third proportional to 51,860 and 78,267 is: 118,120.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,860 : 78,267 = 78,267 : x
  2. Step 2: Convert to fraction form
    51,860/78,267 = 78,267/x
  3. Step 3: Cross multiply
    51,860x = 78,267 × 78,267
  4. Step 4: Simplify right side
    51,860x = 6,125,723,289
  5. Step 5: Solve for x
    x = 6,125,723,289/51,860
  6. Step 6: Final answer
    x = 118,120.39

Related Problems

Find third proportional to 25,930 and 39,133.50
Half scale
Find third proportional to 103,720 and 156,534
Double scale
Find third proportional to 51,862 and 78,270
Similar ratio
Find third proportional to 77,790 and 117,400.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.