Home / 368.30-740.39

Finding the Third Proportional to 368.30 and 740.39

Calculator

Solution

The third proportional to 368.30 and 740.39 is: 1,488.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    368.30 : 740.39 = 740.39 : x
  2. Step 2: Convert to fraction form
    368.30/740.39 = 740.39/x
  3. Step 3: Cross multiply
    368.30x = 740.39 × 740.39
  4. Step 4: Simplify right side
    368.30x = 548,178.28
  5. Step 5: Solve for x
    x = 548,178.28/368.30
  6. Step 6: Final answer
    x = 1,488.41

Related Problems

Find third proportional to 184.15 and 370.20
Half scale
Find third proportional to 736.59 and 1,480.78
Double scale
Find third proportional to 370 and 744
Similar ratio
Find third proportional to 552.45 and 1,110.59
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.01) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.