Home / 315,228-682,884

Finding the Third Proportional to 315,228 and 682,884

Calculator

Solution

The third proportional to 315,228 and 682,884 is: 1,479,343.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,228 : 682,884 = 682,884 : x
  2. Step 2: Convert to fraction form
    315,228/682,884 = 682,884/x
  3. Step 3: Cross multiply
    315,228x = 682,884 × 682,884
  4. Step 4: Simplify right side
    315,228x = 466,330,557,456
  5. Step 5: Solve for x
    x = 466,330,557,456/315,228
  6. Step 6: Final answer
    x = 1,479,343.71

Related Problems

Find third proportional to 157,614 and 341,442
Half scale
Find third proportional to 630,456 and 1,365,768
Double scale
Find third proportional to 315,230 and 682,888
Similar ratio
Find third proportional to 472,842 and 1,024,326
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.