Home / 311,066-488,052

Finding the Third Proportional to 311,066 and 488,052

Calculator

Solution

The third proportional to 311,066 and 488,052 is: 765,737.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,066 : 488,052 = 488,052 : x
  2. Step 2: Convert to fraction form
    311,066/488,052 = 488,052/x
  3. Step 3: Cross multiply
    311,066x = 488,052 × 488,052
  4. Step 4: Simplify right side
    311,066x = 238,194,754,704
  5. Step 5: Solve for x
    x = 238,194,754,704/311,066
  6. Step 6: Final answer
    x = 765,737.03

Related Problems

Find third proportional to 155,533 and 244,026
Half scale
Find third proportional to 622,132 and 976,104
Double scale
Find third proportional to 311,068 and 488,055
Similar ratio
Find third proportional to 466,599 and 732,078
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.