Home / 204,778-320,536

Finding the Third Proportional to 204,778 and 320,536

Calculator

Solution

The third proportional to 204,778 and 320,536 is: 501,730.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,778 : 320,536 = 320,536 : x
  2. Step 2: Convert to fraction form
    204,778/320,536 = 320,536/x
  3. Step 3: Cross multiply
    204,778x = 320,536 × 320,536
  4. Step 4: Simplify right side
    204,778x = 102,743,327,296
  5. Step 5: Solve for x
    x = 102,743,327,296/204,778
  6. Step 6: Final answer
    x = 501,730.30

Related Problems

Find third proportional to 102,389 and 160,268
Half scale
Find third proportional to 409,556 and 641,072
Double scale
Find third proportional to 204,780 and 320,539
Similar ratio
Find third proportional to 307,167 and 480,804
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.