Home / 289,479-628,473

Finding the Third Proportional to 289,479 and 628,473

Calculator

Solution

The third proportional to 289,479 and 628,473 is: 1,364,445.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,479 : 628,473 = 628,473 : x
  2. Step 2: Convert to fraction form
    289,479/628,473 = 628,473/x
  3. Step 3: Cross multiply
    289,479x = 628,473 × 628,473
  4. Step 4: Simplify right side
    289,479x = 394,978,311,729
  5. Step 5: Solve for x
    x = 394,978,311,729/289,479
  6. Step 6: Final answer
    x = 1,364,445.48

Related Problems

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.