Home / 759.50-1,139

Finding the Third Proportional to 759.50 and 1,139

Calculator

Solution

The third proportional to 759.50 and 1,139 is: 1,708.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    759.50 : 1,139 = 1,139 : x
  2. Step 2: Convert to fraction form
    759.50/1,139 = 1,139/x
  3. Step 3: Cross multiply
    759.50x = 1,139 × 1,139
  4. Step 4: Simplify right side
    759.50x = 1,297,321
  5. Step 5: Solve for x
    x = 1,297,321/759.50
  6. Step 6: Final answer
    x = 1,708.13

Related Problems

Find third proportional to 379.75 and 569.50
Half scale
Find third proportional to 1,519 and 2,278
Double scale
Find third proportional to 762 and 1,142
Similar ratio
Find third proportional to 1,139.25 and 1,708.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.