Home / 736-1,139

Finding the Third Proportional to 736 and 1,139

Calculator

Solution

The third proportional to 736 and 1,139 is: 1,762.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    736 : 1,139 = 1,139 : x
  2. Step 2: Convert to fraction form
    736/1,139 = 1,139/x
  3. Step 3: Cross multiply
    736x = 1,139 × 1,139
  4. Step 4: Simplify right side
    736x = 1,297,321
  5. Step 5: Solve for x
    x = 1,297,321/736
  6. Step 6: Final answer
    x = 1,762.66

Related Problems

Find third proportional to 368 and 569.50
Half scale
Find third proportional to 1,472 and 2,278
Double scale
Find third proportional to 738 and 1,142
Similar ratio
Find third proportional to 1,104 and 1,708.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.