Home / 311,866-486,053

Finding the Third Proportional to 311,866 and 486,053

Calculator

Solution

The third proportional to 311,866 and 486,053 is: 757,528.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,866 : 486,053 = 486,053 : x
  2. Step 2: Convert to fraction form
    311,866/486,053 = 486,053/x
  3. Step 3: Cross multiply
    311,866x = 486,053 × 486,053
  4. Step 4: Simplify right side
    311,866x = 236,247,518,809
  5. Step 5: Solve for x
    x = 236,247,518,809/311,866
  6. Step 6: Final answer
    x = 757,528.93

Related Problems

Find third proportional to 155,933 and 243,026.50
Half scale
Find third proportional to 623,732 and 972,106
Double scale
Find third proportional to 311,868 and 486,056
Similar ratio
Find third proportional to 467,799 and 729,079.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.