Home / 672.88-1,039.13

Finding the Third Proportional to 672.88 and 1,039.13

Calculator

Solution

The third proportional to 672.88 and 1,039.13 is: 1,604.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    672.88 : 1,039.13 = 1,039.13 : x
  2. Step 2: Convert to fraction form
    672.88/1,039.13 = 1,039.13/x
  3. Step 3: Cross multiply
    672.88x = 1,039.13 × 1,039.13
  4. Step 4: Simplify right side
    672.88x = 1,079,780.77
  5. Step 5: Solve for x
    x = 1,079,780.77/672.88
  6. Step 6: Final answer
    x = 1,604.73

Related Problems

Find third proportional to 336.44 and 519.56
Half scale
Find third proportional to 1,345.75 and 2,078.25
Double scale
Find third proportional to 675 and 1,042
Similar ratio
Find third proportional to 1,009.31 and 1,558.69
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.