Home / 5,558-8,308

Finding the Third Proportional to 5,558 and 8,308

Calculator

Solution

The third proportional to 5,558 and 8,308 is: 12,418.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,558 : 8,308 = 8,308 : x
  2. Step 2: Convert to fraction form
    5,558/8,308 = 8,308/x
  3. Step 3: Cross multiply
    5,558x = 8,308 × 8,308
  4. Step 4: Simplify right side
    5,558x = 69,022,864
  5. Step 5: Solve for x
    x = 69,022,864/5,558
  6. Step 6: Final answer
    x = 12,418.65

Related Problems

Find third proportional to 2,779 and 4,154
Half scale
Find third proportional to 11,116 and 16,616
Double scale
Find third proportional to 5,560 and 8,311
Similar ratio
Find third proportional to 8,337 and 12,462
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.