Home / 1,559-3,278

Finding the Third Proportional to 1,559 and 3,278

Calculator

Solution

The third proportional to 1,559 and 3,278 is: 6,892.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,559 : 3,278 = 3,278 : x
  2. Step 2: Convert to fraction form
    1,559/3,278 = 3,278/x
  3. Step 3: Cross multiply
    1,559x = 3,278 × 3,278
  4. Step 4: Simplify right side
    1,559x = 10,745,284
  5. Step 5: Solve for x
    x = 10,745,284/1,559
  6. Step 6: Final answer
    x = 6,892.42

Related Problems

Find third proportional to 779.50 and 1,639
Half scale
Find third proportional to 3,118 and 6,556
Double scale
Find third proportional to 1,561 and 3,282
Similar ratio
Find third proportional to 2,338.50 and 4,917
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.