Home / 163,863-243,324

Finding the Third Proportional to 163,863 and 243,324

Calculator

Solution

The third proportional to 163,863 and 243,324 is: 361,317.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,863 : 243,324 = 243,324 : x
  2. Step 2: Convert to fraction form
    163,863/243,324 = 243,324/x
  3. Step 3: Cross multiply
    163,863x = 243,324 × 243,324
  4. Step 4: Simplify right side
    163,863x = 59,206,568,976
  5. Step 5: Solve for x
    x = 59,206,568,976/163,863
  6. Step 6: Final answer
    x = 361,317.50

Related Problems

Find third proportional to 81,931.50 and 121,662
Half scale
Find third proportional to 327,726 and 486,648
Double scale
Find third proportional to 163,865 and 243,327
Similar ratio
Find third proportional to 245,794.50 and 364,986
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.