Home / 135,462-290,508

Finding the Third Proportional to 135,462 and 290,508

Calculator

Solution

The third proportional to 135,462 and 290,508 is: 623,015.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,462 : 290,508 = 290,508 : x
  2. Step 2: Convert to fraction form
    135,462/290,508 = 290,508/x
  3. Step 3: Cross multiply
    135,462x = 290,508 × 290,508
  4. Step 4: Simplify right side
    135,462x = 84,394,898,064
  5. Step 5: Solve for x
    x = 84,394,898,064/135,462
  6. Step 6: Final answer
    x = 623,015.30

Related Problems

Find third proportional to 67,731 and 145,254
Half scale
Find third proportional to 270,924 and 581,016
Double scale
Find third proportional to 135,464 and 290,512
Similar ratio
Find third proportional to 203,193 and 435,762
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.