Home / 207,974-308,902

Finding the Third Proportional to 207,974 and 308,902

Calculator

Solution

The third proportional to 207,974 and 308,902 is: 458,809.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,974 : 308,902 = 308,902 : x
  2. Step 2: Convert to fraction form
    207,974/308,902 = 308,902/x
  3. Step 3: Cross multiply
    207,974x = 308,902 × 308,902
  4. Step 4: Simplify right side
    207,974x = 95,420,445,604
  5. Step 5: Solve for x
    x = 95,420,445,604/207,974
  6. Step 6: Final answer
    x = 458,809.49

Related Problems

Find third proportional to 103,987 and 154,451
Half scale
Find third proportional to 415,948 and 617,804
Double scale
Find third proportional to 207,976 and 308,905
Similar ratio
Find third proportional to 311,961 and 463,353
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.