Home / 551,211-826,820

Finding the Third Proportional to 551,211 and 826,820

Calculator

Solution

The third proportional to 551,211 and 826,820 is: 1,240,235.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,211 : 826,820 = 826,820 : x
  2. Step 2: Convert to fraction form
    551,211/826,820 = 826,820/x
  3. Step 3: Cross multiply
    551,211x = 826,820 × 826,820
  4. Step 4: Simplify right side
    551,211x = 683,631,312,400
  5. Step 5: Solve for x
    x = 683,631,312,400/551,211
  6. Step 6: Final answer
    x = 1,240,235.25

Related Problems

Find third proportional to 275,605.50 and 413,410
Half scale
Find third proportional to 1,102,422 and 1,653,640
Double scale
Find third proportional to 551,213 and 826,823
Similar ratio
Find third proportional to 826,816.50 and 1,240,230
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.