Home / 200,636-266,340

Finding the Third Proportional to 200,636 and 266,340

Calculator

Solution

The third proportional to 200,636 and 266,340 is: 353,560.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,636 : 266,340 = 266,340 : x
  2. Step 2: Convert to fraction form
    200,636/266,340 = 266,340/x
  3. Step 3: Cross multiply
    200,636x = 266,340 × 266,340
  4. Step 4: Simplify right side
    200,636x = 70,936,995,600
  5. Step 5: Solve for x
    x = 70,936,995,600/200,636
  6. Step 6: Final answer
    x = 353,560.66

Related Problems

Find third proportional to 100,318 and 133,170
Half scale
Find third proportional to 401,272 and 532,680
Double scale
Find third proportional to 200,638 and 266,343
Similar ratio
Find third proportional to 300,954 and 399,510
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.