Home / 263,700-408,656

Finding the Third Proportional to 263,700 and 408,656

Calculator

Solution

The third proportional to 263,700 and 408,656 is: 633,294.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,700 : 408,656 = 408,656 : x
  2. Step 2: Convert to fraction form
    263,700/408,656 = 408,656/x
  3. Step 3: Cross multiply
    263,700x = 408,656 × 408,656
  4. Step 4: Simplify right side
    263,700x = 166,999,726,336
  5. Step 5: Solve for x
    x = 166,999,726,336/263,700
  6. Step 6: Final answer
    x = 633,294.37

Related Problems

Find third proportional to 131,850 and 204,328
Half scale
Find third proportional to 527,400 and 817,312
Double scale
Find third proportional to 263,702 and 408,659
Similar ratio
Find third proportional to 395,550 and 612,984
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.