Home / 236,918-511,770

Finding the Third Proportional to 236,918 and 511,770

Calculator

Solution

The third proportional to 236,918 and 511,770 is: 1,105,481.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,918 : 511,770 = 511,770 : x
  2. Step 2: Convert to fraction form
    236,918/511,770 = 511,770/x
  3. Step 3: Cross multiply
    236,918x = 511,770 × 511,770
  4. Step 4: Simplify right side
    236,918x = 261,908,532,900
  5. Step 5: Solve for x
    x = 261,908,532,900/236,918
  6. Step 6: Final answer
    x = 1,105,481.78

Related Problems

Find third proportional to 118,459 and 255,885
Half scale
Find third proportional to 473,836 and 1,023,540
Double scale
Find third proportional to 236,920 and 511,774
Similar ratio
Find third proportional to 355,377 and 767,655
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.