Home / 202,446-288,390

Finding the Third Proportional to 202,446 and 288,390

Calculator

Solution

The third proportional to 202,446 and 288,390 is: 410,819.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,446 : 288,390 = 288,390 : x
  2. Step 2: Convert to fraction form
    202,446/288,390 = 288,390/x
  3. Step 3: Cross multiply
    202,446x = 288,390 × 288,390
  4. Step 4: Simplify right side
    202,446x = 83,168,792,100
  5. Step 5: Solve for x
    x = 83,168,792,100/202,446
  6. Step 6: Final answer
    x = 410,819.64

Related Problems

Find third proportional to 101,223 and 144,195
Half scale
Find third proportional to 404,892 and 576,780
Double scale
Find third proportional to 202,448 and 288,393
Similar ratio
Find third proportional to 303,669 and 432,585
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.