Home / 115,719-253,631

Finding the Third Proportional to 115,719 and 253,631

Calculator

Solution

The third proportional to 115,719 and 253,631 is: 555,904.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,719 : 253,631 = 253,631 : x
  2. Step 2: Convert to fraction form
    115,719/253,631 = 253,631/x
  3. Step 3: Cross multiply
    115,719x = 253,631 × 253,631
  4. Step 4: Simplify right side
    115,719x = 64,328,684,161
  5. Step 5: Solve for x
    x = 64,328,684,161/115,719
  6. Step 6: Final answer
    x = 555,904.25

Related Problems

Find third proportional to 57,859.50 and 126,815.50
Half scale
Find third proportional to 231,438 and 507,262
Double scale
Find third proportional to 115,721 and 253,635
Similar ratio
Find third proportional to 173,578.50 and 380,446.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.