Home / 81,623-115,536

Finding the Third Proportional to 81,623 and 115,536

Calculator

Solution

The third proportional to 81,623 and 115,536 is: 163,539.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,623 : 115,536 = 115,536 : x
  2. Step 2: Convert to fraction form
    81,623/115,536 = 115,536/x
  3. Step 3: Cross multiply
    81,623x = 115,536 × 115,536
  4. Step 4: Simplify right side
    81,623x = 13,348,567,296
  5. Step 5: Solve for x
    x = 13,348,567,296/81,623
  6. Step 6: Final answer
    x = 163,539.29

Related Problems

Find third proportional to 40,811.50 and 57,768
Half scale
Find third proportional to 163,246 and 231,072
Double scale
Find third proportional to 81,625 and 115,539
Similar ratio
Find third proportional to 122,434.50 and 173,304
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.