Home / 289,318-444,973

Finding the Third Proportional to 289,318 and 444,973

Calculator

Solution

The third proportional to 289,318 and 444,973 is: 684,371.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,318 : 444,973 = 444,973 : x
  2. Step 2: Convert to fraction form
    289,318/444,973 = 444,973/x
  3. Step 3: Cross multiply
    289,318x = 444,973 × 444,973
  4. Step 4: Simplify right side
    289,318x = 198,000,970,729
  5. Step 5: Solve for x
    x = 198,000,970,729/289,318
  6. Step 6: Final answer
    x = 684,371.42

Related Problems

Find third proportional to 144,659 and 222,486.50
Half scale
Find third proportional to 578,636 and 889,946
Double scale
Find third proportional to 289,320 and 444,976
Similar ratio
Find third proportional to 433,977 and 667,459.50
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.