Home / 268,356-394,758

Finding the Third Proportional to 268,356 and 394,758

Calculator

Solution

The third proportional to 268,356 and 394,758 is: 580,698.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,356 : 394,758 = 394,758 : x
  2. Step 2: Convert to fraction form
    268,356/394,758 = 394,758/x
  3. Step 3: Cross multiply
    268,356x = 394,758 × 394,758
  4. Step 4: Simplify right side
    268,356x = 155,833,878,564
  5. Step 5: Solve for x
    x = 155,833,878,564/268,356
  6. Step 6: Final answer
    x = 580,698.32

Related Problems

Find third proportional to 134,178 and 197,379
Half scale
Find third proportional to 536,712 and 789,516
Double scale
Find third proportional to 268,358 and 394,761
Similar ratio
Find third proportional to 402,534 and 592,137
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.