Home / 135,642-294,636

Finding the Third Proportional to 135,642 and 294,636

Calculator

Solution

The third proportional to 135,642 and 294,636 is: 639,996.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,642 : 294,636 = 294,636 : x
  2. Step 2: Convert to fraction form
    135,642/294,636 = 294,636/x
  3. Step 3: Cross multiply
    135,642x = 294,636 × 294,636
  4. Step 4: Simplify right side
    135,642x = 86,810,372,496
  5. Step 5: Solve for x
    x = 86,810,372,496/135,642
  6. Step 6: Final answer
    x = 639,996.26

Related Problems

Find third proportional to 67,821 and 147,318
Half scale
Find third proportional to 271,284 and 589,272
Double scale
Find third proportional to 135,644 and 294,640
Similar ratio
Find third proportional to 203,463 and 441,954
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.