Home / 318,874-472,154

Finding the Third Proportional to 318,874 and 472,154

Calculator

Solution

The third proportional to 318,874 and 472,154 is: 699,114.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,874 : 472,154 = 472,154 : x
  2. Step 2: Convert to fraction form
    318,874/472,154 = 472,154/x
  3. Step 3: Cross multiply
    318,874x = 472,154 × 472,154
  4. Step 4: Simplify right side
    318,874x = 222,929,399,716
  5. Step 5: Solve for x
    x = 222,929,399,716/318,874
  6. Step 6: Final answer
    x = 699,114.38

Related Problems

Find third proportional to 159,437 and 236,077
Half scale
Find third proportional to 637,748 and 944,308
Double scale
Find third proportional to 318,876 and 472,157
Similar ratio
Find third proportional to 478,311 and 708,231
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.