Home / 7,812-13,888

Finding the Third Proportional to 7,812 and 13,888

Calculator

Solution

The third proportional to 7,812 and 13,888 is: 24,689.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,812 : 13,888 = 13,888 : x
  2. Step 2: Convert to fraction form
    7,812/13,888 = 13,888/x
  3. Step 3: Cross multiply
    7,812x = 13,888 × 13,888
  4. Step 4: Simplify right side
    7,812x = 192,876,544
  5. Step 5: Solve for x
    x = 192,876,544/7,812
  6. Step 6: Final answer
    x = 24,689.78

Related Problems

Find third proportional to 3,906 and 6,944
Half scale
Find third proportional to 15,624 and 27,776
Double scale
Find third proportional to 7,814 and 13,892
Similar ratio
Find third proportional to 11,718 and 20,832
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.78) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.