Home / 136,528-206,700

Finding the Third Proportional to 136,528 and 206,700

Calculator

Solution

The third proportional to 136,528 and 206,700 is: 312,938.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,528 : 206,700 = 206,700 : x
  2. Step 2: Convert to fraction form
    136,528/206,700 = 206,700/x
  3. Step 3: Cross multiply
    136,528x = 206,700 × 206,700
  4. Step 4: Simplify right side
    136,528x = 42,724,890,000
  5. Step 5: Solve for x
    x = 42,724,890,000/136,528
  6. Step 6: Final answer
    x = 312,938.66

Related Problems

Find third proportional to 68,264 and 103,350
Half scale
Find third proportional to 273,056 and 413,400
Double scale
Find third proportional to 136,530 and 206,703
Similar ratio
Find third proportional to 204,792 and 310,050
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.