Home / 311,720-730,052

Finding the Third Proportional to 311,720 and 730,052

Calculator

Solution

The third proportional to 311,720 and 730,052 is: 1,709,790.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,720 : 730,052 = 730,052 : x
  2. Step 2: Convert to fraction form
    311,720/730,052 = 730,052/x
  3. Step 3: Cross multiply
    311,720x = 730,052 × 730,052
  4. Step 4: Simplify right side
    311,720x = 532,975,922,704
  5. Step 5: Solve for x
    x = 532,975,922,704/311,720
  6. Step 6: Final answer
    x = 1,709,790.59

Related Problems

Find third proportional to 155,860 and 365,026
Half scale
Find third proportional to 623,440 and 1,460,104
Double scale
Find third proportional to 311,722 and 730,057
Similar ratio
Find third proportional to 467,580 and 1,095,078
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.