Home / 60,496-128,672

Finding the Third Proportional to 60,496 and 128,672

Calculator

Solution

The third proportional to 60,496 and 128,672 is: 273,678.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,496 : 128,672 = 128,672 : x
  2. Step 2: Convert to fraction form
    60,496/128,672 = 128,672/x
  3. Step 3: Cross multiply
    60,496x = 128,672 × 128,672
  4. Step 4: Simplify right side
    60,496x = 16,556,483,584
  5. Step 5: Solve for x
    x = 16,556,483,584/60,496
  6. Step 6: Final answer
    x = 273,678.98

Related Problems

Find third proportional to 30,248 and 64,336
Half scale
Find third proportional to 120,992 and 257,344
Double scale
Find third proportional to 60,498 and 128,676
Similar ratio
Find third proportional to 90,744 and 193,008
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.