Home / 203,488-299,143

Finding the Third Proportional to 203,488 and 299,143

Calculator

Solution

The third proportional to 203,488 and 299,143 is: 439,763.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,488 : 299,143 = 299,143 : x
  2. Step 2: Convert to fraction form
    203,488/299,143 = 299,143/x
  3. Step 3: Cross multiply
    203,488x = 299,143 × 299,143
  4. Step 4: Simplify right side
    203,488x = 89,486,534,449
  5. Step 5: Solve for x
    x = 89,486,534,449/203,488
  6. Step 6: Final answer
    x = 439,763.20

Related Problems

Find third proportional to 101,744 and 149,571.50
Half scale
Find third proportional to 406,976 and 598,286
Double scale
Find third proportional to 203,490 and 299,146
Similar ratio
Find third proportional to 305,232 and 448,714.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.