Home / 136,764-207,039

Finding the Third Proportional to 136,764 and 207,039

Calculator

Solution

The third proportional to 136,764 and 207,039 is: 313,424.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,764 : 207,039 = 207,039 : x
  2. Step 2: Convert to fraction form
    136,764/207,039 = 207,039/x
  3. Step 3: Cross multiply
    136,764x = 207,039 × 207,039
  4. Step 4: Simplify right side
    136,764x = 42,865,147,521
  5. Step 5: Solve for x
    x = 42,865,147,521/136,764
  6. Step 6: Final answer
    x = 313,424.20

Related Problems

Find third proportional to 68,382 and 103,519.50
Half scale
Find third proportional to 273,528 and 414,078
Double scale
Find third proportional to 136,766 and 207,042
Similar ratio
Find third proportional to 205,146 and 310,558.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.