Home / 218,756-471,655

Finding the Third Proportional to 218,756 and 471,655

Calculator

Solution

The third proportional to 218,756 and 471,655 is: 1,016,924.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,756 : 471,655 = 471,655 : x
  2. Step 2: Convert to fraction form
    218,756/471,655 = 471,655/x
  3. Step 3: Cross multiply
    218,756x = 471,655 × 471,655
  4. Step 4: Simplify right side
    218,756x = 222,458,439,025
  5. Step 5: Solve for x
    x = 222,458,439,025/218,756
  6. Step 6: Final answer
    x = 1,016,924.97

Related Problems

Find third proportional to 109,378 and 235,827.50
Half scale
Find third proportional to 437,512 and 943,310
Double scale
Find third proportional to 218,758 and 471,659
Similar ratio
Find third proportional to 328,134 and 707,482.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.