Home / 1,321-3,055

Finding the Third Proportional to 1,321 and 3,055

Calculator

Solution

The third proportional to 1,321 and 3,055 is: 7,065.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,321 : 3,055 = 3,055 : x
  2. Step 2: Convert to fraction form
    1,321/3,055 = 3,055/x
  3. Step 3: Cross multiply
    1,321x = 3,055 × 3,055
  4. Step 4: Simplify right side
    1,321x = 9,333,025
  5. Step 5: Solve for x
    x = 9,333,025/1,321
  6. Step 6: Final answer
    x = 7,065.12

Related Problems

Find third proportional to 660.50 and 1,527.50
Half scale
Find third proportional to 2,642 and 6,110
Double scale
Find third proportional to 1,323 and 3,060
Similar ratio
Find third proportional to 1,981.50 and 4,582.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.