Home / 151,156-312,104

Finding the Third Proportional to 151,156 and 312,104

Calculator

Solution

The third proportional to 151,156 and 312,104 is: 644,426.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,156 : 312,104 = 312,104 : x
  2. Step 2: Convert to fraction form
    151,156/312,104 = 312,104/x
  3. Step 3: Cross multiply
    151,156x = 312,104 × 312,104
  4. Step 4: Simplify right side
    151,156x = 97,408,906,816
  5. Step 5: Solve for x
    x = 97,408,906,816/151,156
  6. Step 6: Final answer
    x = 644,426.33

Related Problems

Find third proportional to 75,578 and 156,052
Half scale
Find third proportional to 302,312 and 624,208
Double scale
Find third proportional to 151,158 and 312,108
Similar ratio
Find third proportional to 226,734 and 468,156
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.06) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.