Home / 81,172-110,580

Finding the Third Proportional to 81,172 and 110,580

Calculator

Solution

The third proportional to 81,172 and 110,580 is: 150,642.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,172 : 110,580 = 110,580 : x
  2. Step 2: Convert to fraction form
    81,172/110,580 = 110,580/x
  3. Step 3: Cross multiply
    81,172x = 110,580 × 110,580
  4. Step 4: Simplify right side
    81,172x = 12,227,936,400
  5. Step 5: Solve for x
    x = 12,227,936,400/81,172
  6. Step 6: Final answer
    x = 150,642.30

Related Problems

Find third proportional to 40,586 and 55,290
Half scale
Find third proportional to 162,344 and 221,160
Double scale
Find third proportional to 81,174 and 110,583
Similar ratio
Find third proportional to 121,758 and 165,870
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.