Home / 5,485-8,328

Finding the Third Proportional to 5,485 and 8,328

Calculator

Solution

The third proportional to 5,485 and 8,328 is: 12,644.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,485 : 8,328 = 8,328 : x
  2. Step 2: Convert to fraction form
    5,485/8,328 = 8,328/x
  3. Step 3: Cross multiply
    5,485x = 8,328 × 8,328
  4. Step 4: Simplify right side
    5,485x = 69,355,584
  5. Step 5: Solve for x
    x = 69,355,584/5,485
  6. Step 6: Final answer
    x = 12,644.59

Related Problems

Find third proportional to 2,742.50 and 4,164
Half scale
Find third proportional to 10,970 and 16,656
Double scale
Find third proportional to 5,487 and 8,331
Similar ratio
Find third proportional to 8,227.50 and 12,492
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.