Home / 350.81-819.94

Finding the Third Proportional to 350.81 and 819.94

Calculator

Solution

The third proportional to 350.81 and 819.94 is: 1,916.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    350.81 : 819.94 = 819.94 : x
  2. Step 2: Convert to fraction form
    350.81/819.94 = 819.94/x
  3. Step 3: Cross multiply
    350.81x = 819.94 × 819.94
  4. Step 4: Simplify right side
    350.81x = 672,297.50
  5. Step 5: Solve for x
    x = 672,297.50/350.81
  6. Step 6: Final answer
    x = 1,916.40

Related Problems

Find third proportional to 175.41 and 409.97
Half scale
Find third proportional to 701.63 and 1,639.88
Double scale
Find third proportional to 353 and 825
Similar ratio
Find third proportional to 526.22 and 1,229.91
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.