Home / 1,388,791,858-2,115,746,408

Finding the Third Proportional to 1,388,791,858 and 2,115,746,408

Calculator

Solution

The third proportional to 1,388,791,858 and 2,115,746,408 is: 3,223,220,842.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,388,791,858 : 2,115,746,408 = 2,115,746,408 : x
  2. Step 2: Convert to fraction form
    1,388,791,858/2,115,746,408 = 2,115,746,408/x
  3. Step 3: Cross multiply
    1,388,791,858x = 2,115,746,408 × 2,115,746,408
  4. Step 4: Simplify right side
    1,388,791,858x = 4,476,382,862,964,902,400
  5. Step 5: Solve for x
    x = 4,476,382,862,964,902,400/1,388,791,858
  6. Step 6: Final answer
    x = 3,223,220,842.76

Related Problems

Find third proportional to 694,395,929 and 1,057,873,204
Half scale
Find third proportional to 2,777,583,716 and 4,231,492,816
Double scale
Find third proportional to 1,388,791,860 and 2,115,746,411
Similar ratio
Find third proportional to 2,083,187,787 and 3,173,619,612
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.