Home / 225,516-490,380

Finding the Third Proportional to 225,516 and 490,380

Calculator

Solution

The third proportional to 225,516 and 490,380 is: 1,066,321.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,516 : 490,380 = 490,380 : x
  2. Step 2: Convert to fraction form
    225,516/490,380 = 490,380/x
  3. Step 3: Cross multiply
    225,516x = 490,380 × 490,380
  4. Step 4: Simplify right side
    225,516x = 240,472,544,400
  5. Step 5: Solve for x
    x = 240,472,544,400/225,516
  6. Step 6: Final answer
    x = 1,066,321.43

Related Problems

Find third proportional to 112,758 and 245,190
Half scale
Find third proportional to 451,032 and 980,760
Double scale
Find third proportional to 225,518 and 490,384
Similar ratio
Find third proportional to 338,274 and 735,570
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.