Home / 499,860-774,213

Finding the Third Proportional to 499,860 and 774,213

Calculator

Solution

The third proportional to 499,860 and 774,213 is: 1,199,147.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,860 : 774,213 = 774,213 : x
  2. Step 2: Convert to fraction form
    499,860/774,213 = 774,213/x
  3. Step 3: Cross multiply
    499,860x = 774,213 × 774,213
  4. Step 4: Simplify right side
    499,860x = 599,405,769,369
  5. Step 5: Solve for x
    x = 599,405,769,369/499,860
  6. Step 6: Final answer
    x = 1,199,147.30

Related Problems

Find third proportional to 249,930 and 387,106.50
Half scale
Find third proportional to 999,720 and 1,548,426
Double scale
Find third proportional to 499,862 and 774,216
Similar ratio
Find third proportional to 749,790 and 1,161,319.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.