Home / 1,331-3,113

Finding the Third Proportional to 1,331 and 3,113

Calculator

Solution

The third proportional to 1,331 and 3,113 is: 7,280.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,331 : 3,113 = 3,113 : x
  2. Step 2: Convert to fraction form
    1,331/3,113 = 3,113/x
  3. Step 3: Cross multiply
    1,331x = 3,113 × 3,113
  4. Step 4: Simplify right side
    1,331x = 9,690,769
  5. Step 5: Solve for x
    x = 9,690,769/1,331
  6. Step 6: Final answer
    x = 7,280.82

Related Problems

Find third proportional to 665.50 and 1,556.50
Half scale
Find third proportional to 2,662 and 6,226
Double scale
Find third proportional to 1,333 and 3,118
Similar ratio
Find third proportional to 1,996.50 and 4,669.50
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.