Home / 366,991-516,811

Finding the Third Proportional to 366,991 and 516,811

Calculator

Solution

The third proportional to 366,991 and 516,811 is: 727,793.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,991 : 516,811 = 516,811 : x
  2. Step 2: Convert to fraction form
    366,991/516,811 = 516,811/x
  3. Step 3: Cross multiply
    366,991x = 516,811 × 516,811
  4. Step 4: Simplify right side
    366,991x = 267,093,609,721
  5. Step 5: Solve for x
    x = 267,093,609,721/366,991
  6. Step 6: Final answer
    x = 727,793.35

Related Problems

Find third proportional to 183,495.50 and 258,405.50
Half scale
Find third proportional to 733,982 and 1,033,622
Double scale
Find third proportional to 366,993 and 516,814
Similar ratio
Find third proportional to 550,486.50 and 775,216.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.