Home / 316,839-659,896

Finding the Third Proportional to 316,839 and 659,896

Calculator

Solution

The third proportional to 316,839 and 659,896 is: 1,374,397.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,839 : 659,896 = 659,896 : x
  2. Step 2: Convert to fraction form
    316,839/659,896 = 659,896/x
  3. Step 3: Cross multiply
    316,839x = 659,896 × 659,896
  4. Step 4: Simplify right side
    316,839x = 435,462,730,816
  5. Step 5: Solve for x
    x = 435,462,730,816/316,839
  6. Step 6: Final answer
    x = 1,374,397.50

Related Problems

Find third proportional to 158,419.50 and 329,948
Half scale
Find third proportional to 633,678 and 1,319,792
Double scale
Find third proportional to 316,841 and 659,900
Similar ratio
Find third proportional to 475,258.50 and 989,844
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.