Home / 12,200-26,280

Finding the Third Proportional to 12,200 and 26,280

Calculator

Solution

The third proportional to 12,200 and 26,280 is: 56,609.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,200 : 26,280 = 26,280 : x
  2. Step 2: Convert to fraction form
    12,200/26,280 = 26,280/x
  3. Step 3: Cross multiply
    12,200x = 26,280 × 26,280
  4. Step 4: Simplify right side
    12,200x = 690,638,400
  5. Step 5: Solve for x
    x = 690,638,400/12,200
  6. Step 6: Final answer
    x = 56,609.70

Related Problems

Find third proportional to 6,100 and 13,140
Half scale
Find third proportional to 24,400 and 52,560
Double scale
Find third proportional to 12,202 and 26,284
Similar ratio
Find third proportional to 18,300 and 39,420
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.