Home / 28,512-65,712

Finding the Third Proportional to 28,512 and 65,712

Calculator

Solution

The third proportional to 28,512 and 65,712 is: 151,447.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,512 : 65,712 = 65,712 : x
  2. Step 2: Convert to fraction form
    28,512/65,712 = 65,712/x
  3. Step 3: Cross multiply
    28,512x = 65,712 × 65,712
  4. Step 4: Simplify right side
    28,512x = 4,318,066,944
  5. Step 5: Solve for x
    x = 4,318,066,944/28,512
  6. Step 6: Final answer
    x = 151,447.35

Related Problems

Find third proportional to 14,256 and 32,856
Half scale
Find third proportional to 57,024 and 131,424
Double scale
Find third proportional to 28,514 and 65,717
Similar ratio
Find third proportional to 42,768 and 98,568
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.30) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.