Home / 87,658-189,324

Finding the Third Proportional to 87,658 and 189,324

Calculator

Solution

The third proportional to 87,658 and 189,324 is: 408,902.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,658 : 189,324 = 189,324 : x
  2. Step 2: Convert to fraction form
    87,658/189,324 = 189,324/x
  3. Step 3: Cross multiply
    87,658x = 189,324 × 189,324
  4. Step 4: Simplify right side
    87,658x = 35,843,576,976
  5. Step 5: Solve for x
    x = 35,843,576,976/87,658
  6. Step 6: Final answer
    x = 408,902.52

Related Problems

Find third proportional to 43,829 and 94,662
Half scale
Find third proportional to 175,316 and 378,648
Double scale
Find third proportional to 87,660 and 189,328
Similar ratio
Find third proportional to 131,487 and 283,986
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.