Home / 327,680-442,715

Finding the Third Proportional to 327,680 and 442,715

Calculator

Solution

The third proportional to 327,680 and 442,715 is: 598,134.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,680 : 442,715 = 442,715 : x
  2. Step 2: Convert to fraction form
    327,680/442,715 = 442,715/x
  3. Step 3: Cross multiply
    327,680x = 442,715 × 442,715
  4. Step 4: Simplify right side
    327,680x = 195,996,571,225
  5. Step 5: Solve for x
    x = 195,996,571,225/327,680
  6. Step 6: Final answer
    x = 598,134.07

Related Problems

Find third proportional to 163,840 and 221,357.50
Half scale
Find third proportional to 655,360 and 885,430
Double scale
Find third proportional to 327,682 and 442,718
Similar ratio
Find third proportional to 491,520 and 664,072.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.