Home / 315,048-505,376

Finding the Third Proportional to 315,048 and 505,376

Calculator

Solution

The third proportional to 315,048 and 505,376 is: 810,685.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,048 : 505,376 = 505,376 : x
  2. Step 2: Convert to fraction form
    315,048/505,376 = 505,376/x
  3. Step 3: Cross multiply
    315,048x = 505,376 × 505,376
  4. Step 4: Simplify right side
    315,048x = 255,404,901,376
  5. Step 5: Solve for x
    x = 255,404,901,376/315,048
  6. Step 6: Final answer
    x = 810,685.68

Related Problems

Find third proportional to 157,524 and 252,688
Half scale
Find third proportional to 630,096 and 1,010,752
Double scale
Find third proportional to 315,050 and 505,379
Similar ratio
Find third proportional to 472,572 and 758,064
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.60) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.