Home / 228,290-354,867

Finding the Third Proportional to 228,290 and 354,867

Calculator

Solution

The third proportional to 228,290 and 354,867 is: 551,625.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,290 : 354,867 = 354,867 : x
  2. Step 2: Convert to fraction form
    228,290/354,867 = 354,867/x
  3. Step 3: Cross multiply
    228,290x = 354,867 × 354,867
  4. Step 4: Simplify right side
    228,290x = 125,930,587,689
  5. Step 5: Solve for x
    x = 125,930,587,689/228,290
  6. Step 6: Final answer
    x = 551,625.51

Related Problems

Find third proportional to 114,145 and 177,433.50
Half scale
Find third proportional to 456,580 and 709,734
Double scale
Find third proportional to 228,292 and 354,870
Similar ratio
Find third proportional to 342,435 and 532,300.50
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.