Home / 5,420-8,101

Finding the Third Proportional to 5,420 and 8,101

Calculator

Solution

The third proportional to 5,420 and 8,101 is: 12,108.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,420 : 8,101 = 8,101 : x
  2. Step 2: Convert to fraction form
    5,420/8,101 = 8,101/x
  3. Step 3: Cross multiply
    5,420x = 8,101 × 8,101
  4. Step 4: Simplify right side
    5,420x = 65,626,201
  5. Step 5: Solve for x
    x = 65,626,201/5,420
  6. Step 6: Final answer
    x = 12,108.16

Related Problems

Find third proportional to 2,710 and 4,050.50
Half scale
Find third proportional to 10,840 and 16,202
Double scale
Find third proportional to 5,422 and 8,104
Similar ratio
Find third proportional to 8,130 and 12,151.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.