Home / 135,718-268,029.75

Finding the Third Proportional to 135,718 and 268,029.75

Calculator

Solution

The third proportional to 135,718 and 268,029.75 is: 529,332.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,718 : 268,029.75 = 268,029.75 : x
  2. Step 2: Convert to fraction form
    135,718/268,029.75 = 268,029.75/x
  3. Step 3: Cross multiply
    135,718x = 268,029.75 × 268,029.75
  4. Step 4: Simplify right side
    135,718x = 71,839,946,885.06
  5. Step 5: Solve for x
    x = 71,839,946,885.06/135,718
  6. Step 6: Final answer
    x = 529,332.49

Related Problems

Find third proportional to 67,859 and 134,014.88
Half scale
Find third proportional to 271,436 and 536,059.50
Double scale
Find third proportional to 135,720 and 268,034
Similar ratio
Find third proportional to 203,577 and 402,044.63
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.97) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.