Home / 80,024-128,904

Finding the Third Proportional to 80,024 and 128,904

Calculator

Solution

The third proportional to 80,024 and 128,904 is: 207,640.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,024 : 128,904 = 128,904 : x
  2. Step 2: Convert to fraction form
    80,024/128,904 = 128,904/x
  3. Step 3: Cross multiply
    80,024x = 128,904 × 128,904
  4. Step 4: Simplify right side
    80,024x = 16,616,241,216
  5. Step 5: Solve for x
    x = 16,616,241,216/80,024
  6. Step 6: Final answer
    x = 207,640.72

Related Problems

Find third proportional to 40,012 and 64,452
Half scale
Find third proportional to 160,048 and 257,808
Double scale
Find third proportional to 80,026 and 128,907
Similar ratio
Find third proportional to 120,036 and 193,356
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.