Home / 77,976-165,672

Finding the Third Proportional to 77,976 and 165,672

Calculator

Solution

The third proportional to 77,976 and 165,672 is: 351,995.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,976 : 165,672 = 165,672 : x
  2. Step 2: Convert to fraction form
    77,976/165,672 = 165,672/x
  3. Step 3: Cross multiply
    77,976x = 165,672 × 165,672
  4. Step 4: Simplify right side
    77,976x = 27,447,211,584
  5. Step 5: Solve for x
    x = 27,447,211,584/77,976
  6. Step 6: Final answer
    x = 351,995.63

Related Problems

Find third proportional to 38,988 and 82,836
Half scale
Find third proportional to 155,952 and 331,344
Double scale
Find third proportional to 77,978 and 165,676
Similar ratio
Find third proportional to 116,964 and 248,508
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.