Home / 5,418-8,169.75

Finding the Third Proportional to 5,418 and 8,169.75

Calculator

Solution

The third proportional to 5,418 and 8,169.75 is: 12,319.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,418 : 8,169.75 = 8,169.75 : x
  2. Step 2: Convert to fraction form
    5,418/8,169.75 = 8,169.75/x
  3. Step 3: Cross multiply
    5,418x = 8,169.75 × 8,169.75
  4. Step 4: Simplify right side
    5,418x = 66,744,815.06
  5. Step 5: Solve for x
    x = 66,744,815.06/5,418
  6. Step 6: Final answer
    x = 12,319.09

Related Problems

Find third proportional to 2,709 and 4,084.88
Half scale
Find third proportional to 10,836 and 16,339.50
Double scale
Find third proportional to 5,420 and 8,173
Similar ratio
Find third proportional to 8,127 and 12,254.63
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.