Home / 178,483-388,070

Finding the Third Proportional to 178,483 and 388,070

Calculator

Solution

The third proportional to 178,483 and 388,070 is: 843,768.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,483 : 388,070 = 388,070 : x
  2. Step 2: Convert to fraction form
    178,483/388,070 = 388,070/x
  3. Step 3: Cross multiply
    178,483x = 388,070 × 388,070
  4. Step 4: Simplify right side
    178,483x = 150,598,324,900
  5. Step 5: Solve for x
    x = 150,598,324,900/178,483
  6. Step 6: Final answer
    x = 843,768.45

Related Problems

Find third proportional to 89,241.50 and 194,035
Half scale
Find third proportional to 356,966 and 776,140
Double scale
Find third proportional to 178,485 and 388,074
Similar ratio
Find third proportional to 267,724.50 and 582,105
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.