Home / 79,731-108,330

Finding the Third Proportional to 79,731 and 108,330

Calculator

Solution

The third proportional to 79,731 and 108,330 is: 147,187.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,731 : 108,330 = 108,330 : x
  2. Step 2: Convert to fraction form
    79,731/108,330 = 108,330/x
  3. Step 3: Cross multiply
    79,731x = 108,330 × 108,330
  4. Step 4: Simplify right side
    79,731x = 11,735,388,900
  5. Step 5: Solve for x
    x = 11,735,388,900/79,731
  6. Step 6: Final answer
    x = 147,187.28

Related Problems

Find third proportional to 39,865.50 and 54,165
Half scale
Find third proportional to 159,462 and 216,660
Double scale
Find third proportional to 79,733 and 108,333
Similar ratio
Find third proportional to 119,596.50 and 162,495
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.