Home / 630-1,480

Finding the Third Proportional to 630 and 1,480

Calculator

Solution

The third proportional to 630 and 1,480 is: 3,476.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    630 : 1,480 = 1,480 : x
  2. Step 2: Convert to fraction form
    630/1,480 = 1,480/x
  3. Step 3: Cross multiply
    630x = 1,480 × 1,480
  4. Step 4: Simplify right side
    630x = 2,190,400
  5. Step 5: Solve for x
    x = 2,190,400/630
  6. Step 6: Final answer
    x = 3,476.83

Related Problems

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.