Home / 217,949-330,183

Finding the Third Proportional to 217,949 and 330,183

Calculator

Solution

The third proportional to 217,949 and 330,183 is: 500,212.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,949 : 330,183 = 330,183 : x
  2. Step 2: Convert to fraction form
    217,949/330,183 = 330,183/x
  3. Step 3: Cross multiply
    217,949x = 330,183 × 330,183
  4. Step 4: Simplify right side
    217,949x = 109,020,813,489
  5. Step 5: Solve for x
    x = 109,020,813,489/217,949
  6. Step 6: Final answer
    x = 500,212.50

Related Problems

Find third proportional to 108,974.50 and 165,091.50
Half scale
Find third proportional to 435,898 and 660,366
Double scale
Find third proportional to 217,951 and 330,186
Similar ratio
Find third proportional to 326,923.50 and 495,274.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.