Home / 746-1,800

Finding the Third Proportional to 746 and 1,800

Calculator

Solution

The third proportional to 746 and 1,800 is: 4,343.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    746 : 1,800 = 1,800 : x
  2. Step 2: Convert to fraction form
    746/1,800 = 1,800/x
  3. Step 3: Cross multiply
    746x = 1,800 × 1,800
  4. Step 4: Simplify right side
    746x = 3,240,000
  5. Step 5: Solve for x
    x = 3,240,000/746
  6. Step 6: Final answer
    x = 4,343.16

Related Problems

Find third proportional to 373 and 900
Half scale
Find third proportional to 1,492 and 3,600
Double scale
Find third proportional to 748 and 1,805
Similar ratio
Find third proportional to 1,119 and 2,700
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.