Home / 206,976-447,172

Finding the Third Proportional to 206,976 and 447,172

Calculator

Solution

The third proportional to 206,976 and 447,172 is: 966,115.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,976 : 447,172 = 447,172 : x
  2. Step 2: Convert to fraction form
    206,976/447,172 = 447,172/x
  3. Step 3: Cross multiply
    206,976x = 447,172 × 447,172
  4. Step 4: Simplify right side
    206,976x = 199,962,797,584
  5. Step 5: Solve for x
    x = 199,962,797,584/206,976
  6. Step 6: Final answer
    x = 966,115.87

Related Problems

Find third proportional to 103,488 and 223,586
Half scale
Find third proportional to 413,952 and 894,344
Double scale
Find third proportional to 206,978 and 447,176
Similar ratio
Find third proportional to 310,464 and 670,758
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.