Home / 289,321-444,977

Finding the Third Proportional to 289,321 and 444,977

Calculator

Solution

The third proportional to 289,321 and 444,977 is: 684,376.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,321 : 444,977 = 444,977 : x
  2. Step 2: Convert to fraction form
    289,321/444,977 = 444,977/x
  3. Step 3: Cross multiply
    289,321x = 444,977 × 444,977
  4. Step 4: Simplify right side
    289,321x = 198,004,530,529
  5. Step 5: Solve for x
    x = 198,004,530,529/289,321
  6. Step 6: Final answer
    x = 684,376.63

Related Problems

Find third proportional to 144,660.50 and 222,488.50
Half scale
Find third proportional to 578,642 and 889,954
Double scale
Find third proportional to 289,323 and 444,980
Similar ratio
Find third proportional to 433,981.50 and 667,465.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.