Home / 3,420-8,048

Finding the Third Proportional to 3,420 and 8,048

Calculator

Solution

The third proportional to 3,420 and 8,048 is: 18,938.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,420 : 8,048 = 8,048 : x
  2. Step 2: Convert to fraction form
    3,420/8,048 = 8,048/x
  3. Step 3: Cross multiply
    3,420x = 8,048 × 8,048
  4. Step 4: Simplify right side
    3,420x = 64,770,304
  5. Step 5: Solve for x
    x = 64,770,304/3,420
  6. Step 6: Final answer
    x = 18,938.69

Related Problems

Find third proportional to 1,710 and 4,024
Half scale
Find third proportional to 6,840 and 16,096
Double scale
Find third proportional to 3,422 and 8,053
Similar ratio
Find third proportional to 5,130 and 12,072
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.