Home / 268,800-403,296

Finding the Third Proportional to 268,800 and 403,296

Calculator

Solution

The third proportional to 268,800 and 403,296 is: 605,088.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,800 : 403,296 = 403,296 : x
  2. Step 2: Convert to fraction form
    268,800/403,296 = 403,296/x
  3. Step 3: Cross multiply
    268,800x = 403,296 × 403,296
  4. Step 4: Simplify right side
    268,800x = 162,647,663,616
  5. Step 5: Solve for x
    x = 162,647,663,616/268,800
  6. Step 6: Final answer
    x = 605,088.03

Related Problems

Find third proportional to 134,400 and 201,648
Half scale
Find third proportional to 537,600 and 806,592
Double scale
Find third proportional to 268,802 and 403,299
Similar ratio
Find third proportional to 403,200 and 604,944
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.