Home / 228,220-354,774

Finding the Third Proportional to 228,220 and 354,774

Calculator

Solution

The third proportional to 228,220 and 354,774 is: 551,505.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,220 : 354,774 = 354,774 : x
  2. Step 2: Convert to fraction form
    228,220/354,774 = 354,774/x
  3. Step 3: Cross multiply
    228,220x = 354,774 × 354,774
  4. Step 4: Simplify right side
    228,220x = 125,864,591,076
  5. Step 5: Solve for x
    x = 125,864,591,076/228,220
  6. Step 6: Final answer
    x = 551,505.53

Related Problems

Find third proportional to 114,110 and 177,387
Half scale
Find third proportional to 456,440 and 709,548
Double scale
Find third proportional to 228,222 and 354,777
Similar ratio
Find third proportional to 342,330 and 532,161
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.