Home / 206,876-316,328

Finding the Third Proportional to 206,876 and 316,328

Calculator

Solution

The third proportional to 206,876 and 316,328 is: 483,687.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,876 : 316,328 = 316,328 : x
  2. Step 2: Convert to fraction form
    206,876/316,328 = 316,328/x
  3. Step 3: Cross multiply
    206,876x = 316,328 × 316,328
  4. Step 4: Simplify right side
    206,876x = 100,063,403,584
  5. Step 5: Solve for x
    x = 100,063,403,584/206,876
  6. Step 6: Final answer
    x = 483,687.83

Related Problems

Find third proportional to 103,438 and 158,164
Half scale
Find third proportional to 413,752 and 632,656
Double scale
Find third proportional to 206,878 and 316,331
Similar ratio
Find third proportional to 310,314 and 474,492
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.