Home / 221,389-475,028

Finding the Third Proportional to 221,389 and 475,028

Calculator

Solution

The third proportional to 221,389 and 475,028 is: 1,019,253.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,389 : 475,028 = 475,028 : x
  2. Step 2: Convert to fraction form
    221,389/475,028 = 475,028/x
  3. Step 3: Cross multiply
    221,389x = 475,028 × 475,028
  4. Step 4: Simplify right side
    221,389x = 225,651,600,784
  5. Step 5: Solve for x
    x = 225,651,600,784/221,389
  6. Step 6: Final answer
    x = 1,019,253.90

Related Problems

Find third proportional to 110,694.50 and 237,514
Half scale
Find third proportional to 442,778 and 950,056
Double scale
Find third proportional to 221,391 and 475,032
Similar ratio
Find third proportional to 332,083.50 and 712,542
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.