Home / 217,578-332,619

Finding the Third Proportional to 217,578 and 332,619

Calculator

Solution

The third proportional to 217,578 and 332,619 is: 508,486.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,578 : 332,619 = 332,619 : x
  2. Step 2: Convert to fraction form
    217,578/332,619 = 332,619/x
  3. Step 3: Cross multiply
    217,578x = 332,619 × 332,619
  4. Step 4: Simplify right side
    217,578x = 110,635,399,161
  5. Step 5: Solve for x
    x = 110,635,399,161/217,578
  6. Step 6: Final answer
    x = 508,486.15

Related Problems

Find third proportional to 108,789 and 166,309.50
Half scale
Find third proportional to 435,156 and 665,238
Double scale
Find third proportional to 217,580 and 332,622
Similar ratio
Find third proportional to 326,367 and 498,928.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.