Home / 144,486-215,199

Finding the Third Proportional to 144,486 and 215,199

Calculator

Solution

The third proportional to 144,486 and 215,199 is: 320,519.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,486 : 215,199 = 215,199 : x
  2. Step 2: Convert to fraction form
    144,486/215,199 = 215,199/x
  3. Step 3: Cross multiply
    144,486x = 215,199 × 215,199
  4. Step 4: Simplify right side
    144,486x = 46,310,609,601
  5. Step 5: Solve for x
    x = 46,310,609,601/144,486
  6. Step 6: Final answer
    x = 320,519.70

Related Problems

Find third proportional to 72,243 and 107,599.50
Half scale
Find third proportional to 288,972 and 430,398
Double scale
Find third proportional to 144,488 and 215,202
Similar ratio
Find third proportional to 216,729 and 322,798.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.