Home / 138,500-303,352

Finding the Third Proportional to 138,500 and 303,352

Calculator

Solution

The third proportional to 138,500 and 303,352 is: 664,421.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,500 : 303,352 = 303,352 : x
  2. Step 2: Convert to fraction form
    138,500/303,352 = 303,352/x
  3. Step 3: Cross multiply
    138,500x = 303,352 × 303,352
  4. Step 4: Simplify right side
    138,500x = 92,022,435,904
  5. Step 5: Solve for x
    x = 92,022,435,904/138,500
  6. Step 6: Final answer
    x = 664,421.92

Related Problems

Find third proportional to 69,250 and 151,676
Half scale
Find third proportional to 277,000 and 606,704
Double scale
Find third proportional to 138,502 and 303,356
Similar ratio
Find third proportional to 207,750 and 455,028
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.