Home / 356,884-521,080

Finding the Third Proportional to 356,884 and 521,080

Calculator

Solution

The third proportional to 356,884 and 521,080 is: 760,819.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,884 : 521,080 = 521,080 : x
  2. Step 2: Convert to fraction form
    356,884/521,080 = 521,080/x
  3. Step 3: Cross multiply
    356,884x = 521,080 × 521,080
  4. Step 4: Simplify right side
    356,884x = 271,524,366,400
  5. Step 5: Solve for x
    x = 271,524,366,400/356,884
  6. Step 6: Final answer
    x = 760,819.67

Related Problems

Find third proportional to 178,442 and 260,540
Half scale
Find third proportional to 713,768 and 1,042,160
Double scale
Find third proportional to 356,886 and 521,083
Similar ratio
Find third proportional to 535,326 and 781,620
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.