Home / 124.25-206

Finding the Third Proportional to 124.25 and 206

Calculator

Solution

The third proportional to 124.25 and 206 is: 341.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    124.25 : 206 = 206 : x
  2. Step 2: Convert to fraction form
    124.25/206 = 206/x
  3. Step 3: Cross multiply
    124.25x = 206 × 206
  4. Step 4: Simplify right side
    124.25x = 42,436
  5. Step 5: Solve for x
    x = 42,436/124.25
  6. Step 6: Final answer
    x = 341.54

Related Problems

Find third proportional to 62.13 and 103
Half scale
Find third proportional to 248.50 and 412
Double scale
Find third proportional to 126 and 209
Similar ratio
Find third proportional to 186.38 and 309
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.66) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.