Home / 270,254-405,519

Finding the Third Proportional to 270,254 and 405,519

Calculator

Solution

The third proportional to 270,254 and 405,519 is: 608,485.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,254 : 405,519 = 405,519 : x
  2. Step 2: Convert to fraction form
    270,254/405,519 = 405,519/x
  3. Step 3: Cross multiply
    270,254x = 405,519 × 405,519
  4. Step 4: Simplify right side
    270,254x = 164,445,659,361
  5. Step 5: Solve for x
    x = 164,445,659,361/270,254
  6. Step 6: Final answer
    x = 608,485.57

Related Problems

Find third proportional to 135,127 and 202,759.50
Half scale
Find third proportional to 540,508 and 811,038
Double scale
Find third proportional to 270,256 and 405,522
Similar ratio
Find third proportional to 405,381 and 608,278.50
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.