Home / 7,208-16,918

Finding the Third Proportional to 7,208 and 16,918

Calculator

Solution

The third proportional to 7,208 and 16,918 is: 39,708.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,208 : 16,918 = 16,918 : x
  2. Step 2: Convert to fraction form
    7,208/16,918 = 16,918/x
  3. Step 3: Cross multiply
    7,208x = 16,918 × 16,918
  4. Step 4: Simplify right side
    7,208x = 286,218,724
  5. Step 5: Solve for x
    x = 286,218,724/7,208
  6. Step 6: Final answer
    x = 39,708.48

Related Problems

Find third proportional to 3,604 and 8,459
Half scale
Find third proportional to 14,416 and 33,836
Double scale
Find third proportional to 7,210 and 16,923
Similar ratio
Find third proportional to 10,812 and 25,377
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.