Home / 276,313.69-439,381.31

Finding the Third Proportional to 276,313.69 and 439,381.31

Calculator

Solution

The third proportional to 276,313.69 and 439,381.31 is: 698,683.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,313.69 : 439,381.31 = 439,381.31 : x
  2. Step 2: Convert to fraction form
    276,313.69/439,381.31 = 439,381.31/x
  3. Step 3: Cross multiply
    276,313.69x = 439,381.31 × 439,381.31
  4. Step 4: Simplify right side
    276,313.69x = 193,055,937,774.22
  5. Step 5: Solve for x
    x = 193,055,937,774.22/276,313.69
  6. Step 6: Final answer
    x = 698,683.95

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.