Home / 278,796-603,672

Finding the Third Proportional to 278,796 and 603,672

Calculator

Solution

The third proportional to 278,796 and 603,672 is: 1,307,120.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,796 : 603,672 = 603,672 : x
  2. Step 2: Convert to fraction form
    278,796/603,672 = 603,672/x
  3. Step 3: Cross multiply
    278,796x = 603,672 × 603,672
  4. Step 4: Simplify right side
    278,796x = 364,419,883,584
  5. Step 5: Solve for x
    x = 364,419,883,584/278,796
  6. Step 6: Final answer
    x = 1,307,120.20

Related Problems

Find third proportional to 139,398 and 301,836
Half scale
Find third proportional to 557,592 and 1,207,344
Double scale
Find third proportional to 278,798 and 603,676
Similar ratio
Find third proportional to 418,194 and 905,508
1.5x scale

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.