Home / 81,672-115,600

Finding the Third Proportional to 81,672 and 115,600

Calculator

Solution

The third proportional to 81,672 and 115,600 is: 163,622.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,672 : 115,600 = 115,600 : x
  2. Step 2: Convert to fraction form
    81,672/115,600 = 115,600/x
  3. Step 3: Cross multiply
    81,672x = 115,600 × 115,600
  4. Step 4: Simplify right side
    81,672x = 13,363,360,000
  5. Step 5: Solve for x
    x = 13,363,360,000/81,672
  6. Step 6: Final answer
    x = 163,622.29

Related Problems

Find third proportional to 40,836 and 57,800
Half scale
Find third proportional to 163,344 and 231,200
Double scale
Find third proportional to 81,674 and 115,603
Similar ratio
Find third proportional to 122,508 and 173,400
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.