Home / 119,918-259,708

Finding the Third Proportional to 119,918 and 259,708

Calculator

Solution

The third proportional to 119,918 and 259,708 is: 562,453.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,918 : 259,708 = 259,708 : x
  2. Step 2: Convert to fraction form
    119,918/259,708 = 259,708/x
  3. Step 3: Cross multiply
    119,918x = 259,708 × 259,708
  4. Step 4: Simplify right side
    119,918x = 67,448,245,264
  5. Step 5: Solve for x
    x = 67,448,245,264/119,918
  6. Step 6: Final answer
    x = 562,453.05

Related Problems

Find third proportional to 59,959 and 129,854
Half scale
Find third proportional to 239,836 and 519,416
Double scale
Find third proportional to 119,920 and 259,712
Similar ratio
Find third proportional to 179,877 and 389,562
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.