Home / 8,136-12,956

Finding the Third Proportional to 8,136 and 12,956

Calculator

Solution

The third proportional to 8,136 and 12,956 is: 20,631.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,136 : 12,956 = 12,956 : x
  2. Step 2: Convert to fraction form
    8,136/12,956 = 12,956/x
  3. Step 3: Cross multiply
    8,136x = 12,956 × 12,956
  4. Step 4: Simplify right side
    8,136x = 167,857,936
  5. Step 5: Solve for x
    x = 167,857,936/8,136
  6. Step 6: Final answer
    x = 20,631.51

Related Problems

Find third proportional to 4,068 and 6,478
Half scale
Find third proportional to 16,272 and 25,912
Double scale
Find third proportional to 8,138 and 12,959
Similar ratio
Find third proportional to 12,204 and 19,434
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.