Home / 2,520-3,321

Finding the Third Proportional to 2,520 and 3,321

Calculator

Solution

The third proportional to 2,520 and 3,321 is: 4,376.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,520 : 3,321 = 3,321 : x
  2. Step 2: Convert to fraction form
    2,520/3,321 = 3,321/x
  3. Step 3: Cross multiply
    2,520x = 3,321 × 3,321
  4. Step 4: Simplify right side
    2,520x = 11,029,041
  5. Step 5: Solve for x
    x = 11,029,041/2,520
  6. Step 6: Final answer
    x = 4,376.60

Related Problems

Find third proportional to 1,260 and 1,660.50
Half scale
Find third proportional to 5,040 and 6,642
Double scale
Find third proportional to 2,522 and 3,324
Similar ratio
Find third proportional to 3,780 and 4,981.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.