Home / 200,108-281,442

Finding the Third Proportional to 200,108 and 281,442

Calculator

Solution

The third proportional to 200,108 and 281,442 is: 395,834.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,108 : 281,442 = 281,442 : x
  2. Step 2: Convert to fraction form
    200,108/281,442 = 281,442/x
  3. Step 3: Cross multiply
    200,108x = 281,442 × 281,442
  4. Step 4: Simplify right side
    200,108x = 79,209,599,364
  5. Step 5: Solve for x
    x = 79,209,599,364/200,108
  6. Step 6: Final answer
    x = 395,834.25

Related Problems

Find third proportional to 100,054 and 140,721
Half scale
Find third proportional to 400,216 and 562,884
Double scale
Find third proportional to 200,110 and 281,445
Similar ratio
Find third proportional to 300,162 and 422,163
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.