Home / 136,206-207,189

Finding the Third Proportional to 136,206 and 207,189

Calculator

Solution

The third proportional to 136,206 and 207,189 is: 315,164.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,206 : 207,189 = 207,189 : x
  2. Step 2: Convert to fraction form
    136,206/207,189 = 207,189/x
  3. Step 3: Cross multiply
    136,206x = 207,189 × 207,189
  4. Step 4: Simplify right side
    136,206x = 42,927,281,721
  5. Step 5: Solve for x
    x = 42,927,281,721/136,206
  6. Step 6: Final answer
    x = 315,164.40

Related Problems

Find third proportional to 68,103 and 103,594.50
Half scale
Find third proportional to 272,412 and 414,378
Double scale
Find third proportional to 136,208 and 207,192
Similar ratio
Find third proportional to 204,309 and 310,783.50
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.