Home / 109,140-164,115

Finding the Third Proportional to 109,140 and 164,115

Calculator

Solution

The third proportional to 109,140 and 164,115 is: 246,781.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,140 : 164,115 = 164,115 : x
  2. Step 2: Convert to fraction form
    109,140/164,115 = 164,115/x
  3. Step 3: Cross multiply
    109,140x = 164,115 × 164,115
  4. Step 4: Simplify right side
    109,140x = 26,933,733,225
  5. Step 5: Solve for x
    x = 26,933,733,225/109,140
  6. Step 6: Final answer
    x = 246,781.50

Related Problems

Find third proportional to 54,570 and 82,057.50
Half scale
Find third proportional to 218,280 and 328,230
Double scale
Find third proportional to 109,142 and 164,118
Similar ratio
Find third proportional to 163,710 and 246,172.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.