Home / 746-1,639

Finding the Third Proportional to 746 and 1,639

Calculator

Solution

The third proportional to 746 and 1,639 is: 3,600.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    746 : 1,639 = 1,639 : x
  2. Step 2: Convert to fraction form
    746/1,639 = 1,639/x
  3. Step 3: Cross multiply
    746x = 1,639 × 1,639
  4. Step 4: Simplify right side
    746x = 2,686,321
  5. Step 5: Solve for x
    x = 2,686,321/746
  6. Step 6: Final answer
    x = 3,600.97

Related Problems

Find third proportional to 373 and 819.50
Half scale
Find third proportional to 1,492 and 3,278
Double scale
Find third proportional to 748 and 1,643
Similar ratio
Find third proportional to 1,119 and 2,458.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.