Home / 7,815-16,965

Finding the Third Proportional to 7,815 and 16,965

Calculator

Solution

The third proportional to 7,815 and 16,965 is: 36,828.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,815 : 16,965 = 16,965 : x
  2. Step 2: Convert to fraction form
    7,815/16,965 = 16,965/x
  3. Step 3: Cross multiply
    7,815x = 16,965 × 16,965
  4. Step 4: Simplify right side
    7,815x = 287,811,225
  5. Step 5: Solve for x
    x = 287,811,225/7,815
  6. Step 6: Final answer
    x = 36,828.05

Related Problems

Find third proportional to 3,907.50 and 8,482.50
Half scale
Find third proportional to 15,630 and 33,930
Double scale
Find third proportional to 7,817 and 16,969
Similar ratio
Find third proportional to 11,722.50 and 25,447.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.