Home / 204,724-315,834

Finding the Third Proportional to 204,724 and 315,834

Calculator

Solution

The third proportional to 204,724 and 315,834 is: 487,246.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,724 : 315,834 = 315,834 : x
  2. Step 2: Convert to fraction form
    204,724/315,834 = 315,834/x
  3. Step 3: Cross multiply
    204,724x = 315,834 × 315,834
  4. Step 4: Simplify right side
    204,724x = 99,751,115,556
  5. Step 5: Solve for x
    x = 99,751,115,556/204,724
  6. Step 6: Final answer
    x = 487,246.81

Related Problems

Find third proportional to 102,362 and 157,917
Half scale
Find third proportional to 409,448 and 631,668
Double scale
Find third proportional to 204,726 and 315,837
Similar ratio
Find third proportional to 307,086 and 473,751
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.