Home / 262,485-393,934

Finding the Third Proportional to 262,485 and 393,934

Calculator

Solution

The third proportional to 262,485 and 393,934 is: 591,210.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,485 : 393,934 = 393,934 : x
  2. Step 2: Convert to fraction form
    262,485/393,934 = 393,934/x
  3. Step 3: Cross multiply
    262,485x = 393,934 × 393,934
  4. Step 4: Simplify right side
    262,485x = 155,183,996,356
  5. Step 5: Solve for x
    x = 155,183,996,356/262,485
  6. Step 6: Final answer
    x = 591,210.91

Related Problems

Find third proportional to 131,242.50 and 196,967
Half scale
Find third proportional to 524,970 and 787,868
Double scale
Find third proportional to 262,487 and 393,937
Similar ratio
Find third proportional to 393,727.50 and 590,901
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.