Home / 276,438-580,722

Finding the Third Proportional to 276,438 and 580,722

Calculator

Solution

The third proportional to 276,438 and 580,722 is: 1,219,940.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,438 : 580,722 = 580,722 : x
  2. Step 2: Convert to fraction form
    276,438/580,722 = 580,722/x
  3. Step 3: Cross multiply
    276,438x = 580,722 × 580,722
  4. Step 4: Simplify right side
    276,438x = 337,238,041,284
  5. Step 5: Solve for x
    x = 337,238,041,284/276,438
  6. Step 6: Final answer
    x = 1,219,940.97

Related Problems

Find third proportional to 138,219 and 290,361
Half scale
Find third proportional to 552,876 and 1,161,444
Double scale
Find third proportional to 276,440 and 580,726
Similar ratio
Find third proportional to 414,657 and 871,083
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.