Home / 228,220-490,837

Finding the Third Proportional to 228,220 and 490,837

Calculator

Solution

The third proportional to 228,220 and 490,837 is: 1,055,652.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,220 : 490,837 = 490,837 : x
  2. Step 2: Convert to fraction form
    228,220/490,837 = 490,837/x
  3. Step 3: Cross multiply
    228,220x = 490,837 × 490,837
  4. Step 4: Simplify right side
    228,220x = 240,920,960,569
  5. Step 5: Solve for x
    x = 240,920,960,569/228,220
  6. Step 6: Final answer
    x = 1,055,652.27

Related Problems

Find third proportional to 114,110 and 245,418.50
Half scale
Find third proportional to 456,440 and 981,674
Double scale
Find third proportional to 228,222 and 490,841
Similar ratio
Find third proportional to 342,330 and 736,255.50
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.