Home / 77,995-159,687

Finding the Third Proportional to 77,995 and 159,687

Calculator

Solution

The third proportional to 77,995 and 159,687 is: 326,943.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,995 : 159,687 = 159,687 : x
  2. Step 2: Convert to fraction form
    77,995/159,687 = 159,687/x
  3. Step 3: Cross multiply
    77,995x = 159,687 × 159,687
  4. Step 4: Simplify right side
    77,995x = 25,499,937,969
  5. Step 5: Solve for x
    x = 25,499,937,969/77,995
  6. Step 6: Final answer
    x = 326,943.24

Related Problems

Find third proportional to 38,997.50 and 79,843.50
Half scale
Find third proportional to 155,990 and 319,374
Double scale
Find third proportional to 77,997 and 159,691
Similar ratio
Find third proportional to 116,992.50 and 239,530.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.