Home / 1,158-2,749

Finding the Third Proportional to 1,158 and 2,749

Calculator

Solution

The third proportional to 1,158 and 2,749 is: 6,525.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,158 : 2,749 = 2,749 : x
  2. Step 2: Convert to fraction form
    1,158/2,749 = 2,749/x
  3. Step 3: Cross multiply
    1,158x = 2,749 × 2,749
  4. Step 4: Simplify right side
    1,158x = 7,557,001
  5. Step 5: Solve for x
    x = 7,557,001/1,158
  6. Step 6: Final answer
    x = 6,525.91

Related Problems

Find third proportional to 579 and 1,374.50
Half scale
Find third proportional to 2,316 and 5,498
Double scale
Find third proportional to 1,160 and 2,754
Similar ratio
Find third proportional to 1,737 and 4,123.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.