Home / 7,980-16,356

Finding the Third Proportional to 7,980 and 16,356

Calculator

Solution

The third proportional to 7,980 and 16,356 is: 33,523.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,980 : 16,356 = 16,356 : x
  2. Step 2: Convert to fraction form
    7,980/16,356 = 16,356/x
  3. Step 3: Cross multiply
    7,980x = 16,356 × 16,356
  4. Step 4: Simplify right side
    7,980x = 267,518,736
  5. Step 5: Solve for x
    x = 267,518,736/7,980
  6. Step 6: Final answer
    x = 33,523.65

Related Problems

Find third proportional to 3,990 and 8,178
Half scale
Find third proportional to 15,960 and 32,712
Double scale
Find third proportional to 7,982 and 16,360
Similar ratio
Find third proportional to 11,970 and 24,534
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.