Home / 70,512-148,296

Finding the Third Proportional to 70,512 and 148,296

Calculator

Solution

The third proportional to 70,512 and 148,296 is: 311,885.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,512 : 148,296 = 148,296 : x
  2. Step 2: Convert to fraction form
    70,512/148,296 = 148,296/x
  3. Step 3: Cross multiply
    70,512x = 148,296 × 148,296
  4. Step 4: Simplify right side
    70,512x = 21,991,703,616
  5. Step 5: Solve for x
    x = 21,991,703,616/70,512
  6. Step 6: Final answer
    x = 311,885.97

Related Problems

Find third proportional to 35,256 and 74,148
Half scale
Find third proportional to 141,024 and 296,592
Double scale
Find third proportional to 70,514 and 148,300
Similar ratio
Find third proportional to 105,768 and 222,444
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.