Home / 1,388,791,876-2,115,746,435

Finding the Third Proportional to 1,388,791,876 and 2,115,746,435

Calculator

Solution

The third proportional to 1,388,791,876 and 2,115,746,435 is: 3,223,220,883.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,388,791,876 : 2,115,746,435 = 2,115,746,435 : x
  2. Step 2: Convert to fraction form
    1,388,791,876/2,115,746,435 = 2,115,746,435/x
  3. Step 3: Cross multiply
    1,388,791,876x = 2,115,746,435 × 2,115,746,435
  4. Step 4: Simplify right side
    1,388,791,876x = 4,476,382,977,215,209,472
  5. Step 5: Solve for x
    x = 4,476,382,977,215,209,472/1,388,791,876
  6. Step 6: Final answer
    x = 3,223,220,883.25

Related Problems

Find third proportional to 694,395,938 and 1,057,873,217.50
Half scale
Find third proportional to 2,777,583,752 and 4,231,492,870
Double scale
Find third proportional to 1,388,791,878 and 2,115,746,438
Similar ratio
Find third proportional to 2,083,187,814 and 3,173,619,652.50
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.