Home / 135,960-288,426

Finding the Third Proportional to 135,960 and 288,426

Calculator

Solution

The third proportional to 135,960 and 288,426 is: 611,867.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,960 : 288,426 = 288,426 : x
  2. Step 2: Convert to fraction form
    135,960/288,426 = 288,426/x
  3. Step 3: Cross multiply
    135,960x = 288,426 × 288,426
  4. Step 4: Simplify right side
    135,960x = 83,189,557,476
  5. Step 5: Solve for x
    x = 83,189,557,476/135,960
  6. Step 6: Final answer
    x = 611,867.88

Related Problems

Find third proportional to 67,980 and 144,213
Half scale
Find third proportional to 271,920 and 576,852
Double scale
Find third proportional to 135,962 and 288,430
Similar ratio
Find third proportional to 203,940 and 432,639
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.