Home / 6,429-11,454

Finding the Third Proportional to 6,429 and 11,454

Calculator

Solution

The third proportional to 6,429 and 11,454 is: 20,406.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,429 : 11,454 = 11,454 : x
  2. Step 2: Convert to fraction form
    6,429/11,454 = 11,454/x
  3. Step 3: Cross multiply
    6,429x = 11,454 × 11,454
  4. Step 4: Simplify right side
    6,429x = 131,194,116
  5. Step 5: Solve for x
    x = 131,194,116/6,429
  6. Step 6: Final answer
    x = 20,406.61

Related Problems

Find third proportional to 3,214.50 and 5,727
Half scale
Find third proportional to 12,858 and 22,908
Double scale
Find third proportional to 6,431 and 11,458
Similar ratio
Find third proportional to 9,643.50 and 17,181
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.78) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.