Home / 217,438-332,642

Finding the Third Proportional to 217,438 and 332,642

Calculator

Solution

The third proportional to 217,438 and 332,642 is: 508,883.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,438 : 332,642 = 332,642 : x
  2. Step 2: Convert to fraction form
    217,438/332,642 = 332,642/x
  3. Step 3: Cross multiply
    217,438x = 332,642 × 332,642
  4. Step 4: Simplify right side
    217,438x = 110,650,700,164
  5. Step 5: Solve for x
    x = 110,650,700,164/217,438
  6. Step 6: Final answer
    x = 508,883.91

Related Problems

Find third proportional to 108,719 and 166,321
Half scale
Find third proportional to 434,876 and 665,284
Double scale
Find third proportional to 217,440 and 332,645
Similar ratio
Find third proportional to 326,157 and 498,963
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.