Home / 299,442-450,378

Finding the Third Proportional to 299,442 and 450,378

Calculator

Solution

The third proportional to 299,442 and 450,378 is: 677,394.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,442 : 450,378 = 450,378 : x
  2. Step 2: Convert to fraction form
    299,442/450,378 = 450,378/x
  3. Step 3: Cross multiply
    299,442x = 450,378 × 450,378
  4. Step 4: Simplify right side
    299,442x = 202,840,342,884
  5. Step 5: Solve for x
    x = 202,840,342,884/299,442
  6. Step 6: Final answer
    x = 677,394.43

Related Problems

Find third proportional to 149,721 and 225,189
Half scale
Find third proportional to 598,884 and 900,756
Double scale
Find third proportional to 299,444 and 450,381
Similar ratio
Find third proportional to 449,163 and 675,567
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.