Home / 279,511-603,517

Finding the Third Proportional to 279,511 and 603,517

Calculator

Solution

The third proportional to 279,511 and 603,517 is: 1,303,107.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,511 : 603,517 = 603,517 : x
  2. Step 2: Convert to fraction form
    279,511/603,517 = 603,517/x
  3. Step 3: Cross multiply
    279,511x = 603,517 × 603,517
  4. Step 4: Simplify right side
    279,511x = 364,232,769,289
  5. Step 5: Solve for x
    x = 364,232,769,289/279,511
  6. Step 6: Final answer
    x = 1,303,107.10

Related Problems

Find third proportional to 139,755.50 and 301,758.50
Half scale
Find third proportional to 559,022 and 1,207,034
Double scale
Find third proportional to 279,513 and 603,521
Similar ratio
Find third proportional to 419,266.50 and 905,275.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.