Home / 285,770-622,340

Finding the Third Proportional to 285,770 and 622,340

Calculator

Solution

The third proportional to 285,770 and 622,340 is: 1,355,310.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,770 : 622,340 = 622,340 : x
  2. Step 2: Convert to fraction form
    285,770/622,340 = 622,340/x
  3. Step 3: Cross multiply
    285,770x = 622,340 × 622,340
  4. Step 4: Simplify right side
    285,770x = 387,307,075,600
  5. Step 5: Solve for x
    x = 387,307,075,600/285,770
  6. Step 6: Final answer
    x = 1,355,310.48

Related Problems

Find third proportional to 142,885 and 311,170
Half scale
Find third proportional to 571,540 and 1,244,680
Double scale
Find third proportional to 285,772 and 622,344
Similar ratio
Find third proportional to 428,655 and 933,510
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.