Home / 121,532-183,978

Finding the Third Proportional to 121,532 and 183,978

Calculator

Solution

The third proportional to 121,532 and 183,978 is: 278,510.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,532 : 183,978 = 183,978 : x
  2. Step 2: Convert to fraction form
    121,532/183,978 = 183,978/x
  3. Step 3: Cross multiply
    121,532x = 183,978 × 183,978
  4. Step 4: Simplify right side
    121,532x = 33,847,904,484
  5. Step 5: Solve for x
    x = 33,847,904,484/121,532
  6. Step 6: Final answer
    x = 278,510.22

Related Problems

Find third proportional to 60,766 and 91,989
Half scale
Find third proportional to 243,064 and 367,956
Double scale
Find third proportional to 121,534 and 183,981
Similar ratio
Find third proportional to 182,298 and 275,967
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.