Home / 253,532-389,729

Finding the Third Proportional to 253,532 and 389,729

Calculator

Solution

The third proportional to 253,532 and 389,729 is: 599,090.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,532 : 389,729 = 389,729 : x
  2. Step 2: Convert to fraction form
    253,532/389,729 = 389,729/x
  3. Step 3: Cross multiply
    253,532x = 389,729 × 389,729
  4. Step 4: Simplify right side
    253,532x = 151,888,693,441
  5. Step 5: Solve for x
    x = 151,888,693,441/253,532
  6. Step 6: Final answer
    x = 599,090.82

Related Problems

Find third proportional to 126,766 and 194,864.50
Half scale
Find third proportional to 507,064 and 779,458
Double scale
Find third proportional to 253,534 and 389,732
Similar ratio
Find third proportional to 380,298 and 584,593.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.