Home / 76,298-161,172

Finding the Third Proportional to 76,298 and 161,172

Calculator

Solution

The third proportional to 76,298 and 161,172 is: 340,459.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,298 : 161,172 = 161,172 : x
  2. Step 2: Convert to fraction form
    76,298/161,172 = 161,172/x
  3. Step 3: Cross multiply
    76,298x = 161,172 × 161,172
  4. Step 4: Simplify right side
    76,298x = 25,976,413,584
  5. Step 5: Solve for x
    x = 25,976,413,584/76,298
  6. Step 6: Final answer
    x = 340,459.95

Related Problems

Find third proportional to 38,149 and 80,586
Half scale
Find third proportional to 152,596 and 322,344
Double scale
Find third proportional to 76,300 and 161,176
Similar ratio
Find third proportional to 114,447 and 241,758
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.