Home / 180,205-396,382.25

Finding the Third Proportional to 180,205 and 396,382.25

Calculator

Solution

The third proportional to 180,205 and 396,382.25 is: 871,889.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,205 : 396,382.25 = 396,382.25 : x
  2. Step 2: Convert to fraction form
    180,205/396,382.25 = 396,382.25/x
  3. Step 3: Cross multiply
    180,205x = 396,382.25 × 396,382.25
  4. Step 4: Simplify right side
    180,205x = 157,118,888,115.06
  5. Step 5: Solve for x
    x = 157,118,888,115.06/180,205
  6. Step 6: Final answer
    x = 871,889.73

Related Problems

Find third proportional to 90,102.50 and 198,191.13
Half scale
Find third proportional to 360,410 and 792,764.50
Double scale
Find third proportional to 180,207 and 396,387
Similar ratio
Find third proportional to 270,307.50 and 594,573.38
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.