Home / 77,994-159,678

Finding the Third Proportional to 77,994 and 159,678

Calculator

Solution

The third proportional to 77,994 and 159,678 is: 326,910.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,994 : 159,678 = 159,678 : x
  2. Step 2: Convert to fraction form
    77,994/159,678 = 159,678/x
  3. Step 3: Cross multiply
    77,994x = 159,678 × 159,678
  4. Step 4: Simplify right side
    77,994x = 25,497,063,684
  5. Step 5: Solve for x
    x = 25,497,063,684/77,994
  6. Step 6: Final answer
    x = 326,910.58

Related Problems

Find third proportional to 38,997 and 79,839
Half scale
Find third proportional to 155,988 and 319,356
Double scale
Find third proportional to 77,996 and 159,682
Similar ratio
Find third proportional to 116,991 and 239,517
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.