Home / 81,043-122,682

Finding the Third Proportional to 81,043 and 122,682

Calculator

Solution

The third proportional to 81,043 and 122,682 is: 185,714.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,043 : 122,682 = 122,682 : x
  2. Step 2: Convert to fraction form
    81,043/122,682 = 122,682/x
  3. Step 3: Cross multiply
    81,043x = 122,682 × 122,682
  4. Step 4: Simplify right side
    81,043x = 15,050,873,124
  5. Step 5: Solve for x
    x = 15,050,873,124/81,043
  6. Step 6: Final answer
    x = 185,714.66

Related Problems

Find third proportional to 40,521.50 and 61,341
Half scale
Find third proportional to 162,086 and 245,364
Double scale
Find third proportional to 81,045 and 122,685
Similar ratio
Find third proportional to 121,564.50 and 184,023
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.