Home / 372,936-816,405

Finding the Third Proportional to 372,936 and 816,405

Calculator

Solution

The third proportional to 372,936 and 816,405 is: 1,787,215.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,936 : 816,405 = 816,405 : x
  2. Step 2: Convert to fraction form
    372,936/816,405 = 816,405/x
  3. Step 3: Cross multiply
    372,936x = 816,405 × 816,405
  4. Step 4: Simplify right side
    372,936x = 666,517,124,025
  5. Step 5: Solve for x
    x = 666,517,124,025/372,936
  6. Step 6: Final answer
    x = 1,787,215.83

Related Problems

Find third proportional to 186,468 and 408,202.50
Half scale
Find third proportional to 745,872 and 1,632,810
Double scale
Find third proportional to 372,938 and 816,409
Similar ratio
Find third proportional to 559,404 and 1,224,607.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.