Home / 132,436-289,628

Finding the Third Proportional to 132,436 and 289,628

Calculator

Solution

The third proportional to 132,436 and 289,628 is: 633,395.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,436 : 289,628 = 289,628 : x
  2. Step 2: Convert to fraction form
    132,436/289,628 = 289,628/x
  3. Step 3: Cross multiply
    132,436x = 289,628 × 289,628
  4. Step 4: Simplify right side
    132,436x = 83,884,378,384
  5. Step 5: Solve for x
    x = 83,884,378,384/132,436
  6. Step 6: Final answer
    x = 633,395.59

Related Problems

Find third proportional to 66,218 and 144,814
Half scale
Find third proportional to 264,872 and 579,256
Double scale
Find third proportional to 132,438 and 289,632
Similar ratio
Find third proportional to 198,654 and 434,442
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.