Home / 273,928-555,390

Finding the Third Proportional to 273,928 and 555,390

Calculator

Solution

The third proportional to 273,928 and 555,390 is: 1,126,055.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,928 : 555,390 = 555,390 : x
  2. Step 2: Convert to fraction form
    273,928/555,390 = 555,390/x
  3. Step 3: Cross multiply
    273,928x = 555,390 × 555,390
  4. Step 4: Simplify right side
    273,928x = 308,458,052,100
  5. Step 5: Solve for x
    x = 308,458,052,100/273,928
  6. Step 6: Final answer
    x = 1,126,055.21

Related Problems

Find third proportional to 136,964 and 277,695
Half scale
Find third proportional to 547,856 and 1,110,780
Double scale
Find third proportional to 273,930 and 555,394
Similar ratio
Find third proportional to 410,892 and 833,085
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.