Home / 8,615-9,425

Finding the Third Proportional to 8,615 and 9,425

Calculator

Solution

The third proportional to 8,615 and 9,425 is: 10,311.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,615 : 9,425 = 9,425 : x
  2. Step 2: Convert to fraction form
    8,615/9,425 = 9,425/x
  3. Step 3: Cross multiply
    8,615x = 9,425 × 9,425
  4. Step 4: Simplify right side
    8,615x = 88,830,625
  5. Step 5: Solve for x
    x = 88,830,625/8,615
  6. Step 6: Final answer
    x = 10,311.16

Related Problems

Find third proportional to 4,307.50 and 4,712.50
Half scale
Find third proportional to 17,230 and 18,850
Double scale
Find third proportional to 8,617 and 9,427
Similar ratio
Find third proportional to 12,922.50 and 14,137.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.