Home / 77,999-168,451

Finding the Third Proportional to 77,999 and 168,451

Calculator

Solution

The third proportional to 77,999 and 168,451 is: 363,796.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,999 : 168,451 = 168,451 : x
  2. Step 2: Convert to fraction form
    77,999/168,451 = 168,451/x
  3. Step 3: Cross multiply
    77,999x = 168,451 × 168,451
  4. Step 4: Simplify right side
    77,999x = 28,375,739,401
  5. Step 5: Solve for x
    x = 28,375,739,401/77,999
  6. Step 6: Final answer
    x = 363,796.19

Related Problems

Find third proportional to 38,999.50 and 84,225.50
Half scale
Find third proportional to 155,998 and 336,902
Double scale
Find third proportional to 78,001 and 168,455
Similar ratio
Find third proportional to 116,998.50 and 252,676.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.