Home / 135,748-206,540

Finding the Third Proportional to 135,748 and 206,540

Calculator

Solution

The third proportional to 135,748 and 206,540 is: 314,249.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,748 : 206,540 = 206,540 : x
  2. Step 2: Convert to fraction form
    135,748/206,540 = 206,540/x
  3. Step 3: Cross multiply
    135,748x = 206,540 × 206,540
  4. Step 4: Simplify right side
    135,748x = 42,658,771,600
  5. Step 5: Solve for x
    x = 42,658,771,600/135,748
  6. Step 6: Final answer
    x = 314,249.72

Related Problems

Find third proportional to 67,874 and 103,270
Half scale
Find third proportional to 271,496 and 413,080
Double scale
Find third proportional to 135,750 and 206,543
Similar ratio
Find third proportional to 203,622 and 309,810
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.