Home / 378,840-588,180

Finding the Third Proportional to 378,840 and 588,180

Calculator

Solution

The third proportional to 378,840 and 588,180 is: 913,197.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,840 : 588,180 = 588,180 : x
  2. Step 2: Convert to fraction form
    378,840/588,180 = 588,180/x
  3. Step 3: Cross multiply
    378,840x = 588,180 × 588,180
  4. Step 4: Simplify right side
    378,840x = 345,955,712,400
  5. Step 5: Solve for x
    x = 345,955,712,400/378,840
  6. Step 6: Final answer
    x = 913,197.42

Related Problems

Find third proportional to 189,420 and 294,090
Half scale
Find third proportional to 757,680 and 1,176,360
Double scale
Find third proportional to 378,842 and 588,183
Similar ratio
Find third proportional to 568,260 and 882,270
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.