Home / 1,783-2,179

Finding the Third Proportional to 1,783 and 2,179

Calculator

Solution

The third proportional to 1,783 and 2,179 is: 2,662.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,783 : 2,179 = 2,179 : x
  2. Step 2: Convert to fraction form
    1,783/2,179 = 2,179/x
  3. Step 3: Cross multiply
    1,783x = 2,179 × 2,179
  4. Step 4: Simplify right side
    1,783x = 4,748,041
  5. Step 5: Solve for x
    x = 4,748,041/1,783
  6. Step 6: Final answer
    x = 2,662.95

Related Problems

Find third proportional to 891.50 and 1,089.50
Half scale
Find third proportional to 3,566 and 4,358
Double scale
Find third proportional to 1,785 and 2,181
Similar ratio
Find third proportional to 2,674.50 and 3,268.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.