Home / 338,038-519,636

Finding the Third Proportional to 338,038 and 519,636

Calculator

Solution

The third proportional to 338,038 and 519,636 is: 798,790.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,038 : 519,636 = 519,636 : x
  2. Step 2: Convert to fraction form
    338,038/519,636 = 519,636/x
  3. Step 3: Cross multiply
    338,038x = 519,636 × 519,636
  4. Step 4: Simplify right side
    338,038x = 270,021,572,496
  5. Step 5: Solve for x
    x = 270,021,572,496/338,038
  6. Step 6: Final answer
    x = 798,790.59

Related Problems

Find third proportional to 169,019 and 259,818
Half scale
Find third proportional to 676,076 and 1,039,272
Double scale
Find third proportional to 338,040 and 519,639
Similar ratio
Find third proportional to 507,057 and 779,454
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.