Home / 263,312-408,460

Finding the Third Proportional to 263,312 and 408,460

Calculator

Solution

The third proportional to 263,312 and 408,460 is: 633,619.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,312 : 408,460 = 408,460 : x
  2. Step 2: Convert to fraction form
    263,312/408,460 = 408,460/x
  3. Step 3: Cross multiply
    263,312x = 408,460 × 408,460
  4. Step 4: Simplify right side
    263,312x = 166,839,571,600
  5. Step 5: Solve for x
    x = 166,839,571,600/263,312
  6. Step 6: Final answer
    x = 633,619.32

Related Problems

Find third proportional to 131,656 and 204,230
Half scale
Find third proportional to 526,624 and 816,920
Double scale
Find third proportional to 263,314 and 408,463
Similar ratio
Find third proportional to 394,968 and 612,690
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.