Home / 740.25-1,090.13

Finding the Third Proportional to 740.25 and 1,090.13

Calculator

Solution

The third proportional to 740.25 and 1,090.13 is: 1,605.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    740.25 : 1,090.13 = 1,090.13 : x
  2. Step 2: Convert to fraction form
    740.25/1,090.13 = 1,090.13/x
  3. Step 3: Cross multiply
    740.25x = 1,090.13 × 1,090.13
  4. Step 4: Simplify right side
    740.25x = 1,188,372.52
  5. Step 5: Solve for x
    x = 1,188,372.52/740.25
  6. Step 6: Final answer
    x = 1,605.37

Related Problems

Find third proportional to 370.13 and 545.06
Half scale
Find third proportional to 1,480.50 and 2,180.25
Double scale
Find third proportional to 742 and 1,093
Similar ratio
Find third proportional to 1,110.38 and 1,635.19
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.