Home / 303,924-648,860

Finding the Third Proportional to 303,924 and 648,860

Calculator

Solution

The third proportional to 303,924 and 648,860 is: 1,385,278.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,924 : 648,860 = 648,860 : x
  2. Step 2: Convert to fraction form
    303,924/648,860 = 648,860/x
  3. Step 3: Cross multiply
    303,924x = 648,860 × 648,860
  4. Step 4: Simplify right side
    303,924x = 421,019,299,600
  5. Step 5: Solve for x
    x = 421,019,299,600/303,924
  6. Step 6: Final answer
    x = 1,385,278.23

Related Problems

Find third proportional to 151,962 and 324,430
Half scale
Find third proportional to 607,848 and 1,297,720
Double scale
Find third proportional to 303,926 and 648,864
Similar ratio
Find third proportional to 455,886 and 973,290
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.