Home / 263,220-576,420

Finding the Third Proportional to 263,220 and 576,420

Calculator

Solution

The third proportional to 263,220 and 576,420 is: 1,262,290.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,220 : 576,420 = 576,420 : x
  2. Step 2: Convert to fraction form
    263,220/576,420 = 576,420/x
  3. Step 3: Cross multiply
    263,220x = 576,420 × 576,420
  4. Step 4: Simplify right side
    263,220x = 332,260,016,400
  5. Step 5: Solve for x
    x = 332,260,016,400/263,220
  6. Step 6: Final answer
    x = 1,262,290.16

Related Problems

Find third proportional to 131,610 and 288,210
Half scale
Find third proportional to 526,440 and 1,152,840
Double scale
Find third proportional to 263,222 and 576,424
Similar ratio
Find third proportional to 394,830 and 864,630
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.