Home / 511,852-802,872

Finding the Third Proportional to 511,852 and 802,872

Calculator

Solution

The third proportional to 511,852 and 802,872 is: 1,259,355.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,852 : 802,872 = 802,872 : x
  2. Step 2: Convert to fraction form
    511,852/802,872 = 802,872/x
  3. Step 3: Cross multiply
    511,852x = 802,872 × 802,872
  4. Step 4: Simplify right side
    511,852x = 644,603,448,384
  5. Step 5: Solve for x
    x = 644,603,448,384/511,852
  6. Step 6: Final answer
    x = 1,259,355.14

Related Problems

Find third proportional to 255,926 and 401,436
Half scale
Find third proportional to 1,023,704 and 1,605,744
Double scale
Find third proportional to 511,854 and 802,875
Similar ratio
Find third proportional to 767,778 and 1,204,308
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.