Home / 129,597-202,860

Finding the Third Proportional to 129,597 and 202,860

Calculator

Solution

The third proportional to 129,597 and 202,860 is: 317,539.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,597 : 202,860 = 202,860 : x
  2. Step 2: Convert to fraction form
    129,597/202,860 = 202,860/x
  3. Step 3: Cross multiply
    129,597x = 202,860 × 202,860
  4. Step 4: Simplify right side
    129,597x = 41,152,179,600
  5. Step 5: Solve for x
    x = 41,152,179,600/129,597
  6. Step 6: Final answer
    x = 317,539.60

Related Problems

Find third proportional to 64,798.50 and 101,430
Half scale
Find third proportional to 259,194 and 405,720
Double scale
Find third proportional to 129,599 and 202,863
Similar ratio
Find third proportional to 194,395.50 and 304,290
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.