Home / 183,978-397,476

Finding the Third Proportional to 183,978 and 397,476

Calculator

Solution

The third proportional to 183,978 and 397,476 is: 858,728.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,978 : 397,476 = 397,476 : x
  2. Step 2: Convert to fraction form
    183,978/397,476 = 397,476/x
  3. Step 3: Cross multiply
    183,978x = 397,476 × 397,476
  4. Step 4: Simplify right side
    183,978x = 157,987,170,576
  5. Step 5: Solve for x
    x = 157,987,170,576/183,978
  6. Step 6: Final answer
    x = 858,728.60

Related Problems

Find third proportional to 91,989 and 198,738
Half scale
Find third proportional to 367,956 and 794,952
Double scale
Find third proportional to 183,980 and 397,480
Similar ratio
Find third proportional to 275,967 and 596,214
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.