Home / 392,872-614,580

Finding the Third Proportional to 392,872 and 614,580

Calculator

Solution

The third proportional to 392,872 and 614,580 is: 961,403.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,872 : 614,580 = 614,580 : x
  2. Step 2: Convert to fraction form
    392,872/614,580 = 614,580/x
  3. Step 3: Cross multiply
    392,872x = 614,580 × 614,580
  4. Step 4: Simplify right side
    392,872x = 377,708,576,400
  5. Step 5: Solve for x
    x = 377,708,576,400/392,872
  6. Step 6: Final answer
    x = 961,403.65

Related Problems

Find third proportional to 196,436 and 307,290
Half scale
Find third proportional to 785,744 and 1,229,160
Double scale
Find third proportional to 392,874 and 614,583
Similar ratio
Find third proportional to 589,308 and 921,870
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.