Home / 539.25-740.25

Finding the Third Proportional to 539.25 and 740.25

Calculator

Solution

The third proportional to 539.25 and 740.25 is: 1,016.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    539.25 : 740.25 = 740.25 : x
  2. Step 2: Convert to fraction form
    539.25/740.25 = 740.25/x
  3. Step 3: Cross multiply
    539.25x = 740.25 × 740.25
  4. Step 4: Simplify right side
    539.25x = 547,970.06
  5. Step 5: Solve for x
    x = 547,970.06/539.25
  6. Step 6: Final answer
    x = 1,016.17

Related Problems

Find third proportional to 269.63 and 370.13
Half scale
Find third proportional to 1,078.50 and 1,480.50
Double scale
Find third proportional to 541 and 743
Similar ratio
Find third proportional to 808.88 and 1,110.38
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.