Home / 83,479-129,341

Finding the Third Proportional to 83,479 and 129,341

Calculator

Solution

The third proportional to 83,479 and 129,341 is: 200,398.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,479 : 129,341 = 129,341 : x
  2. Step 2: Convert to fraction form
    83,479/129,341 = 129,341/x
  3. Step 3: Cross multiply
    83,479x = 129,341 × 129,341
  4. Step 4: Simplify right side
    83,479x = 16,729,094,281
  5. Step 5: Solve for x
    x = 16,729,094,281/83,479
  6. Step 6: Final answer
    x = 200,398.83

Related Problems

Find third proportional to 41,739.50 and 64,670.50
Half scale
Find third proportional to 166,958 and 258,682
Double scale
Find third proportional to 83,481 and 129,344
Similar ratio
Find third proportional to 125,218.50 and 194,011.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.