Home / 845-1,600

Finding the Third Proportional to 845 and 1,600

Calculator

Solution

The third proportional to 845 and 1,600 is: 3,029.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    845 : 1,600 = 1,600 : x
  2. Step 2: Convert to fraction form
    845/1,600 = 1,600/x
  3. Step 3: Cross multiply
    845x = 1,600 × 1,600
  4. Step 4: Simplify right side
    845x = 2,560,000
  5. Step 5: Solve for x
    x = 2,560,000/845
  6. Step 6: Final answer
    x = 3,029.59

Related Problems

Find third proportional to 422.50 and 800
Half scale
Find third proportional to 1,690 and 3,200
Double scale
Find third proportional to 847 and 1,604
Similar ratio
Find third proportional to 1,267.50 and 2,400
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.89) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.