Home / 221,287-480,041

Finding the Third Proportional to 221,287 and 480,041

Calculator

Solution

The third proportional to 221,287 and 480,041 is: 1,041,359.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,287 : 480,041 = 480,041 : x
  2. Step 2: Convert to fraction form
    221,287/480,041 = 480,041/x
  3. Step 3: Cross multiply
    221,287x = 480,041 × 480,041
  4. Step 4: Simplify right side
    221,287x = 230,439,361,681
  5. Step 5: Solve for x
    x = 230,439,361,681/221,287
  6. Step 6: Final answer
    x = 1,041,359.69

Related Problems

Find third proportional to 110,643.50 and 240,020.50
Half scale
Find third proportional to 442,574 and 960,082
Double scale
Find third proportional to 221,289 and 480,045
Similar ratio
Find third proportional to 331,930.50 and 720,061.50
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.