Home / 1,425-2,280

Finding the Third Proportional to 1,425 and 2,280

Calculator

Solution

The third proportional to 1,425 and 2,280 is: 3,648

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,425 : 2,280 = 2,280 : x
  2. Step 2: Convert to fraction form
    1,425/2,280 = 2,280/x
  3. Step 3: Cross multiply
    1,425x = 2,280 × 2,280
  4. Step 4: Simplify right side
    1,425x = 5,198,400
  5. Step 5: Solve for x
    x = 5,198,400/1,425
  6. Step 6: Final answer
    x = 3,648

Related Problems

Find third proportional to 712.50 and 1,140
Half scale
Find third proportional to 2,850 and 4,560
Double scale
Find third proportional to 1,427 and 2,283
Similar ratio
Find third proportional to 2,137.50 and 3,420
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.60) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.