Home / 673-718

Finding the Third Proportional to 673 and 718

Calculator

Solution

The third proportional to 673 and 718 is: 766.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    673 : 718 = 718 : x
  2. Step 2: Convert to fraction form
    673/718 = 718/x
  3. Step 3: Cross multiply
    673x = 718 × 718
  4. Step 4: Simplify right side
    673x = 515,524
  5. Step 5: Solve for x
    x = 515,524/673
  6. Step 6: Final answer
    x = 766.01

Related Problems

Find third proportional to 336.50 and 359
Half scale
Find third proportional to 1,346 and 1,436
Double scale
Find third proportional to 675 and 720
Similar ratio
Find third proportional to 1,009.50 and 1,077
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.