Home / 316,824-659,856

Finding the Third Proportional to 316,824 and 659,856

Calculator

Solution

The third proportional to 316,824 and 659,856 is: 1,374,295.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,824 : 659,856 = 659,856 : x
  2. Step 2: Convert to fraction form
    316,824/659,856 = 659,856/x
  3. Step 3: Cross multiply
    316,824x = 659,856 × 659,856
  4. Step 4: Simplify right side
    316,824x = 435,409,940,736
  5. Step 5: Solve for x
    x = 435,409,940,736/316,824
  6. Step 6: Final answer
    x = 1,374,295.95

Related Problems

Find third proportional to 158,412 and 329,928
Half scale
Find third proportional to 633,648 and 1,319,712
Double scale
Find third proportional to 316,826 and 659,860
Similar ratio
Find third proportional to 475,236 and 989,784
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.