Home / 126,351-280,722

Finding the Third Proportional to 126,351 and 280,722

Calculator

Solution

The third proportional to 126,351 and 280,722 is: 623,697.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,351 : 280,722 = 280,722 : x
  2. Step 2: Convert to fraction form
    126,351/280,722 = 280,722/x
  3. Step 3: Cross multiply
    126,351x = 280,722 × 280,722
  4. Step 4: Simplify right side
    126,351x = 78,804,841,284
  5. Step 5: Solve for x
    x = 78,804,841,284/126,351
  6. Step 6: Final answer
    x = 623,697.80

Related Problems

Find third proportional to 63,175.50 and 140,361
Half scale
Find third proportional to 252,702 and 561,444
Double scale
Find third proportional to 126,353 and 280,726
Similar ratio
Find third proportional to 189,526.50 and 421,083
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.