Home / 180,207-270,310.50

Finding the Third Proportional to 180,207 and 270,310.50

Calculator

Solution

The third proportional to 180,207 and 270,310.50 is: 405,465.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,207 : 270,310.50 = 270,310.50 : x
  2. Step 2: Convert to fraction form
    180,207/270,310.50 = 270,310.50/x
  3. Step 3: Cross multiply
    180,207x = 270,310.50 × 270,310.50
  4. Step 4: Simplify right side
    180,207x = 73,067,766,410.25
  5. Step 5: Solve for x
    x = 73,067,766,410.25/180,207
  6. Step 6: Final answer
    x = 405,465.75

Related Problems

Find third proportional to 90,103.50 and 135,155.25
Half scale
Find third proportional to 360,414 and 540,621
Double scale
Find third proportional to 180,209 and 270,314
Similar ratio
Find third proportional to 270,310.50 and 405,465.75
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.