Home / 76,620-115,022

Finding the Third Proportional to 76,620 and 115,022

Calculator

Solution

The third proportional to 76,620 and 115,022 is: 172,671.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,620 : 115,022 = 115,022 : x
  2. Step 2: Convert to fraction form
    76,620/115,022 = 115,022/x
  3. Step 3: Cross multiply
    76,620x = 115,022 × 115,022
  4. Step 4: Simplify right side
    76,620x = 13,230,060,484
  5. Step 5: Solve for x
    x = 13,230,060,484/76,620
  6. Step 6: Final answer
    x = 172,671.11

Related Problems

Find third proportional to 38,310 and 57,511
Half scale
Find third proportional to 153,240 and 230,044
Double scale
Find third proportional to 76,622 and 115,025
Similar ratio
Find third proportional to 114,930 and 172,533
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.