Home / 1,119-1,659

Finding the Third Proportional to 1,119 and 1,659

Calculator

Solution

The third proportional to 1,119 and 1,659 is: 2,459.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119 : 1,659 = 1,659 : x
  2. Step 2: Convert to fraction form
    1,119/1,659 = 1,659/x
  3. Step 3: Cross multiply
    1,119x = 1,659 × 1,659
  4. Step 4: Simplify right side
    1,119x = 2,752,281
  5. Step 5: Solve for x
    x = 2,752,281/1,119
  6. Step 6: Final answer
    x = 2,459.59

Related Problems

Find third proportional to 559.50 and 829.50
Half scale
Find third proportional to 2,238 and 3,318
Double scale
Find third proportional to 1,121 and 1,662
Similar ratio
Find third proportional to 1,678.50 and 2,488.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.