Home / 157,612-231,228

Finding the Third Proportional to 157,612 and 231,228

Calculator

Solution

The third proportional to 157,612 and 231,228 is: 339,227.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,612 : 231,228 = 231,228 : x
  2. Step 2: Convert to fraction form
    157,612/231,228 = 231,228/x
  3. Step 3: Cross multiply
    157,612x = 231,228 × 231,228
  4. Step 4: Simplify right side
    157,612x = 53,466,387,984
  5. Step 5: Solve for x
    x = 53,466,387,984/157,612
  6. Step 6: Final answer
    x = 339,227.90

Related Problems

Find third proportional to 78,806 and 115,614
Half scale
Find third proportional to 315,224 and 462,456
Double scale
Find third proportional to 157,614 and 231,231
Similar ratio
Find third proportional to 236,418 and 346,842
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.