Home / 165,636-258,294

Finding the Third Proportional to 165,636 and 258,294

Calculator

Solution

The third proportional to 165,636 and 258,294 is: 402,785.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,636 : 258,294 = 258,294 : x
  2. Step 2: Convert to fraction form
    165,636/258,294 = 258,294/x
  3. Step 3: Cross multiply
    165,636x = 258,294 × 258,294
  4. Step 4: Simplify right side
    165,636x = 66,715,790,436
  5. Step 5: Solve for x
    x = 66,715,790,436/165,636
  6. Step 6: Final answer
    x = 402,785.57

Related Problems

Find third proportional to 82,818 and 129,147
Half scale
Find third proportional to 331,272 and 516,588
Double scale
Find third proportional to 165,638 and 258,297
Similar ratio
Find third proportional to 248,454 and 387,441
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.