Home / 100,642,832-220,128,868

Finding the Third Proportional to 100,642,832 and 220,128,868

Calculator

Solution

The third proportional to 100,642,832 and 220,128,868 is: 481,472,128.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,642,832 : 220,128,868 = 220,128,868 : x
  2. Step 2: Convert to fraction form
    100,642,832/220,128,868 = 220,128,868/x
  3. Step 3: Cross multiply
    100,642,832x = 220,128,868 × 220,128,868
  4. Step 4: Simplify right side
    100,642,832x = 48,456,718,526,961,424
  5. Step 5: Solve for x
    x = 48,456,718,526,961,424/100,642,832
  6. Step 6: Final answer
    x = 481,472,128.36

Related Problems

Find third proportional to 50,321,416 and 110,064,434
Half scale
Find third proportional to 201,285,664 and 440,257,736
Double scale
Find third proportional to 100,642,834 and 220,128,872
Similar ratio
Find third proportional to 150,964,248 and 330,193,302
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.