Home / 47,986-71,947

Finding the Third Proportional to 47,986 and 71,947

Calculator

Solution

The third proportional to 47,986 and 71,947 is: 107,872.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,986 : 71,947 = 71,947 : x
  2. Step 2: Convert to fraction form
    47,986/71,947 = 71,947/x
  3. Step 3: Cross multiply
    47,986x = 71,947 × 71,947
  4. Step 4: Simplify right side
    47,986x = 5,176,370,809
  5. Step 5: Solve for x
    x = 5,176,370,809/47,986
  6. Step 6: Final answer
    x = 107,872.52

Related Problems

Find third proportional to 23,993 and 35,973.50
Half scale
Find third proportional to 95,972 and 143,894
Double scale
Find third proportional to 47,988 and 71,950
Similar ratio
Find third proportional to 71,979 and 107,920.50
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.