Home / 5,811-12,486

Finding the Third Proportional to 5,811 and 12,486

Calculator

Solution

The third proportional to 5,811 and 12,486 is: 26,828.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,811 : 12,486 = 12,486 : x
  2. Step 2: Convert to fraction form
    5,811/12,486 = 12,486/x
  3. Step 3: Cross multiply
    5,811x = 12,486 × 12,486
  4. Step 4: Simplify right side
    5,811x = 155,900,196
  5. Step 5: Solve for x
    x = 155,900,196/5,811
  6. Step 6: Final answer
    x = 26,828.46

Related Problems

Find third proportional to 2,905.50 and 6,243
Half scale
Find third proportional to 11,622 and 24,972
Double scale
Find third proportional to 5,813 and 12,490
Similar ratio
Find third proportional to 8,716.50 and 18,729
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.