Home / 320,413-483,080

Finding the Third Proportional to 320,413 and 483,080

Calculator

Solution

The third proportional to 320,413 and 483,080 is: 728,329.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,413 : 483,080 = 483,080 : x
  2. Step 2: Convert to fraction form
    320,413/483,080 = 483,080/x
  3. Step 3: Cross multiply
    320,413x = 483,080 × 483,080
  4. Step 4: Simplify right side
    320,413x = 233,366,286,400
  5. Step 5: Solve for x
    x = 233,366,286,400/320,413
  6. Step 6: Final answer
    x = 728,329.64

Related Problems

Find third proportional to 160,206.50 and 241,540
Half scale
Find third proportional to 640,826 and 966,160
Double scale
Find third proportional to 320,415 and 483,083
Similar ratio
Find third proportional to 480,619.50 and 724,620
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.