Home / 1,423-2,180

Finding the Third Proportional to 1,423 and 2,180

Calculator

Solution

The third proportional to 1,423 and 2,180 is: 3,339.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,423 : 2,180 = 2,180 : x
  2. Step 2: Convert to fraction form
    1,423/2,180 = 2,180/x
  3. Step 3: Cross multiply
    1,423x = 2,180 × 2,180
  4. Step 4: Simplify right side
    1,423x = 4,752,400
  5. Step 5: Solve for x
    x = 4,752,400/1,423
  6. Step 6: Final answer
    x = 3,339.70

Related Problems

Find third proportional to 711.50 and 1,090
Half scale
Find third proportional to 2,846 and 4,360
Double scale
Find third proportional to 1,425 and 2,183
Similar ratio
Find third proportional to 2,134.50 and 3,270
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.