Home / 7,920-16,934

Finding the Third Proportional to 7,920 and 16,934

Calculator

Solution

The third proportional to 7,920 and 16,934 is: 36,207.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,920 : 16,934 = 16,934 : x
  2. Step 2: Convert to fraction form
    7,920/16,934 = 16,934/x
  3. Step 3: Cross multiply
    7,920x = 16,934 × 16,934
  4. Step 4: Simplify right side
    7,920x = 286,760,356
  5. Step 5: Solve for x
    x = 286,760,356/7,920
  6. Step 6: Final answer
    x = 36,207.12

Related Problems

Find third proportional to 3,960 and 8,467
Half scale
Find third proportional to 15,840 and 33,868
Double scale
Find third proportional to 7,922 and 16,938
Similar ratio
Find third proportional to 11,880 and 25,401
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.