Home / 819.29-1,229.03

Finding the Third Proportional to 819.29 and 1,229.03

Calculator

Solution

The third proportional to 819.29 and 1,229.03 is: 1,843.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    819.29 : 1,229.03 = 1,229.03 : x
  2. Step 2: Convert to fraction form
    819.29/1,229.03 = 1,229.03/x
  3. Step 3: Cross multiply
    819.29x = 1,229.03 × 1,229.03
  4. Step 4: Simplify right side
    819.29x = 1,510,508.21
  5. Step 5: Solve for x
    x = 1,510,508.21/819.29
  6. Step 6: Final answer
    x = 1,843.67

Related Problems

Find third proportional to 409.65 and 614.51
Half scale
Find third proportional to 1,638.59 and 2,458.05
Double scale
Find third proportional to 821 and 1,232
Similar ratio
Find third proportional to 1,228.94 and 1,843.54
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.