Home / 268,752-388,491

Finding the Third Proportional to 268,752 and 388,491

Calculator

Solution

The third proportional to 268,752 and 388,491 is: 561,578.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,752 : 388,491 = 388,491 : x
  2. Step 2: Convert to fraction form
    268,752/388,491 = 388,491/x
  3. Step 3: Cross multiply
    268,752x = 388,491 × 388,491
  4. Step 4: Simplify right side
    268,752x = 150,925,257,081
  5. Step 5: Solve for x
    x = 150,925,257,081/268,752
  6. Step 6: Final answer
    x = 561,578.17

Related Problems

Find third proportional to 134,376 and 194,245.50
Half scale
Find third proportional to 537,504 and 776,982
Double scale
Find third proportional to 268,754 and 388,494
Similar ratio
Find third proportional to 403,128 and 582,736.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.