Home / 7,858-16,916

Finding the Third Proportional to 7,858 and 16,916

Calculator

Solution

The third proportional to 7,858 and 16,916 is: 36,415.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,858 : 16,916 = 16,916 : x
  2. Step 2: Convert to fraction form
    7,858/16,916 = 16,916/x
  3. Step 3: Cross multiply
    7,858x = 16,916 × 16,916
  4. Step 4: Simplify right side
    7,858x = 286,151,056
  5. Step 5: Solve for x
    x = 286,151,056/7,858
  6. Step 6: Final answer
    x = 36,415.25

Related Problems

Find third proportional to 3,929 and 8,458
Half scale
Find third proportional to 15,716 and 33,832
Double scale
Find third proportional to 7,860 and 16,920
Similar ratio
Find third proportional to 11,787 and 25,374
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.