Home / 1,253-1,889

Finding the Third Proportional to 1,253 and 1,889

Calculator

Solution

The third proportional to 1,253 and 1,889 is: 2,847.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253 : 1,889 = 1,889 : x
  2. Step 2: Convert to fraction form
    1,253/1,889 = 1,889/x
  3. Step 3: Cross multiply
    1,253x = 1,889 × 1,889
  4. Step 4: Simplify right side
    1,253x = 3,568,321
  5. Step 5: Solve for x
    x = 3,568,321/1,253
  6. Step 6: Final answer
    x = 2,847.82

Related Problems

Find third proportional to 626.50 and 944.50
Half scale
Find third proportional to 2,506 and 3,778
Double scale
Find third proportional to 1,255 and 1,892
Similar ratio
Find third proportional to 1,879.50 and 2,833.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.